John Mallathorpe, a wealthy Yorkshire industrialist and land owner dies in an accident, apparently without making a will. His estate goes to his wife and two children and they live the good life for a number of years. However, an old bookseller, whilst clearing some old books passed on from the Mallathorpe estate, finds a copy of Mallathorpe's will inside one of the books, and unfortunately for the family the will bequeaths the whole estate minus a small endowment for the family, to the city authorities...

Jacob Herapath, a wealthy property developer and member of Parliament, is found dead in his office, a revolver at his side and a bullet wound to the head. An allegedly forged Will deepens the mystery. An intriguing puzzle with plenty of twists and turns.

The northern English sea coast provides a compelling backdrop for this genre of writing; a mysterious disappearance, a love interest, and plot twists 'se mijotent' to produce an intriguing read.

Marshall Allerdyke is driving through the night from London to Hull in response to an urgent telegram from his cousin. As he nears Hull, a beautiful woman stops his car to ask for directions to Scotland. Odd time to be traveling so far and in such a hurry, but Allerdyke's mind is elsewhere. When he finally arrives in Hull, he finds his cousin dead in his hotel room and a valuable consignment of jewels missing. Allerdyke's only clue rests with that woman hurrying off to Scotland.

Messrs. Mallalieu and Cotherstone were outsiders who had built a prosperous business in Highmarket and even been elected as Mayor and Treasurer of the borough. But when an ex-detective moves to town, 30 years of respectability is suddenly threatened by revelations from the past.

This romantic mystery - or mysterious romance - tells the tale of jilted lover, Jim Conrad, who discovers an unusual gold ring while on a visit to Paris. What is the story of the ring? Why is Clelia Vine so sad? Who is the nameless 'chief'? And how is a dour English barber in a Parisian salon mixed up in all this?The novel, published in 1896, was written by Justin McCarthy, an Irish nationalist, Liberal historian, novelist and politician. (Introduction by Ruth Golding)

In the South African wilderness, six men got together to mine for diamonds and become very rich. They agree that the wealth is to be split equally between them or their heirs after a few years and that the share of any one who died without leaving an heir or whose heir died before the time would be split between the remaining partners. Soon, all heirs are notified and wait expectantly for the first of January, on which the diamonds are to be divided between the partners. However, the diamonds are becoming increasingly blood stained, and January the first is still some time off...

The Masquerader is one of two Katherine Cecil Thurston’s books that appeared on the Publisher’s Weekly best-sellers list in 1905. The Masquerader is part mystery, part romance and part political thriller – all tied up in one neat package. Nature has a way of sometimes making two people nearly indistinguishable in appearance. Such is the premise for this book. John Chilcote, a British politician, and John Loder, a man down on his luck meet by accident one night during one of London’s worst fogs...

The old Lamont House sits still out in the Louisiana swamp, covered in dust and seemingly untouched since that terrible murder that occurred there twenty years ago. When daughter of murdered patriarch of the Lamont family Elise shows up at the Lamont House one stormy evening, escorted by intrepid doctor Kirk Hayward, to meet her brother and his new bride, they become entangled in a series of mysterious events that result in a fresh murder and dangers from someone, or something, lurking amongst the silence and dust of that decrepit mansion...

The Bluebird Books is a series of novels popular with teenage girls in the 1910s and 1920s. The series was begun by L. Frank Baum using his Edith Van Dyne pseudonym, then continued by at least three others, all using the same pseudonym. Baum wrote the first four books in the series, possibly with help from his son, Harry Neal Baum, on the third. The books are concerned with adolescent girl detectives— a concept Baum had experimented with earlier, in The Daring Twins (1911) and Phoebe Daring (1912)...

The Bluebird Books is a series of novels popular with teenage girls in the 1910s and 1920s. The series was begun by L. Frank Baum using his Edith Van Dyne pseudonym, then continued by at least three others, all using the same pseudonym. Baum wrote the first four books in the series, possibly with help from his son, Harry Neal Baum, on the third. The books are concerned with adolescent girl detectives— a concept Baum had experimented with earlier, in The Daring Twins (1911) and Phoebe Daring (1912)...

The Bluebird Books is a series of novels popular with teenage girls in the 1910s and 1920s. The series was begun by L. Frank Baum using his Edith Van Dyne pseudonym, then continued by at least three others, all using the same pseudonym. Baum wrote the first four books in the series, possibly with help from his son, Harry Neal Baum, on the third. The books are concerned with adolescent girl detectives— a concept Baum had experimented with earlier, in The Daring Twins (1911) and Phoebe Daring (1912)...

The Bluebird Books is a series of novels popular with teenage girls in the 1910s and 1920s. The series was begun by L. Frank Baum using his Edith Van Dyne pseudonym, then continued by at least three others, all using the same pseudonym. Baum wrote the first four books in the series, possibly with help from his son, Harry Neal Baum, on the third. The books are concerned with adolescent girl detectives— a concept Baum had experimented with earlier, in The Daring Twins (1911) and Phoebe Daring (1912)...

“It so happened that the circumstances of fate allowed me to follow my own bent in the choice of a profession. From my earliest youth the weird, the mysterious had an irresistible fascination for me. Having private means, I resolved to follow my unique inclinations, and I am now well known to all my friends as a professional exposer of ghosts, and one who can clear away the mysteries of most haunted houses….I propose in these pages to relate the histories of certain queer events, enveloped at first in mystery, and apparently dark with portent, but, nevertheless, when grappled with in the true spirit of science, capable of explanation...

From the moment Madame Sara arrived on the scene, she has taken London society by storm. Madame is both beautiful and mysterious, but it soon becomes clear to both Dixon Druce and his friend, police surgeon Eric Vandeleur, that there is something sinister about the woman and the goings on at her shop on the Strand. They soon become obsessed with proving her guilty of the many crimes that follow in her wake!

What has Manton gotten himself into? His impersonation has broader implications -- and more dangerous ones -- than he had imagined.

Believed to have been written by Chicago socialite, Emma Murdock Van Deventer, this detective story set at the World's Fair follows Carl Masters as he is in pursuit of international criminals Greenback Bob and Delbras. Conmen, lost handbags, jewel robberies, an adventuress... not to mention two missing young men and a murder, all come under the detective's eye. ( Lynne Thompson)

An atomic bomb explodes in the mountains of Montana. But was there really a bomb? And was it really in Montana, or in Tokyo? Are Liz and Elizabeth the same woman, is she married with children, is her husband a spy?

Nancy spends the summer with a cousin she hardly knows who has a friend who seems to be a bad influence. Secrets, jealousy and bitterness fill their days until they learn how to believe in themselves and overcome their bitterness when the truth is revealed.

The Lone Wolf is the first of eight books in a series featuring the jewel thief turned private detective Michael Lanyard. With his identity betrayed and the police on his heels, he must fly from Paris, which is made much more difficult by his self-imposed duty to take care of the beautiful Lucia, who has a dark secret of her own...A large number of movies have been based on the books.

Mr. Philip Kirkwood, a not so successful painter, receives a visitor from his home town in America, who wants him to do him an unspecified favor, but Kirkwood doesn't trust him and sends him away. That night, he sees the stranger dine with his beautiful daughter. In order to protect the girl, the stranger confesses to Kirkwood that he expects to be arrested upon leaving the restaurant. Kirkwood agrees to take care of the girl, but when he brings her home, he knows that she is in danger and that there must be a mystery attached. He decides to protect the girl...

This is the second book in the Lone Wolf series. Michael Lanyard had turned his back on his career as gentleman-thief and started a respectable life, when World War I wrecks his life. With his family dead and the spy Ekstrom alive after all, his special skills as the Lone Wolf are needed once more, this time in the war behind enemy lines. But again, there is a mysterious woman involved...

Lady Dyke disappears mysteriously, and barrister and hobby detective Claude Bruce appears to be one of the last persons to have seen her. A short time later a dead body is found in the river, and Bruce follows the trails. Who is Sydney H. Corbett? Why did the Lady's maid disappear shortly after her Lady? And what business did Lady Dyke have at Sloane Square? If Bruce can find the answer to these questions, he will find the solution to the mystery. (Introduction by Carolin)

The Silent Barrier is a story of mystery and romance with Charles K. Spencer, a well-to-do young American mining engineer, as main character. Drinking his water in a hotel in London one day, he overhears a conversation between two young women, one of whom speaks of going to Switzerland. He decides to play "fairy godfather" and send the comparatively poor, but most amicable other girl there, without her knowing anything of him, under the pretext of furthering her career as a writer for a scientific journal. However, the girl is shadowed on her journey by the mysterious Mr. Mark Bower. Convinced from the first that Bower is a rogue, Mr. Spencer decides to follow them to protect the girl...

A charming mystery story set in the early 1900s which is as much about the townspeople, sleuths and other colorful characters as it is about the murder. Filled with comic antics of Scotland Yard fellows, local police, and residents of the town, keeps the murder ever elusive. The "whodunit" is maintained until the very end and the laughter keeps going even after the mystery is solved.

Another case for Reginald Brett, barrister and hobby detective: David Hume-Frazer is in some trouble. He was the prime suspect in the murder case of his cousin, Alan. Though he was never convicted, suspicion clings to him, and he wishes his name to be cleared before he marries his fiancé, Helen Layton. The case is baffling: Alan was murdered with a Japanese knife on his own grounds, in front of the library windows -- in the same place, where four of his ancestors already died "in their boots"...

A beautiful French actress with concealed origins and a clandestine involvement with a group of anarchists is brutally murdered in London. Circumstances lead Scotland Yard to several suspects, including her wealthy American fiancé, a couple of the anarchists, and even a respected “Yard” detective. The search for the killer sets off an absorbing mystery with an interesting cast of characters and plot twists. Gordon Holmes is a pen-name of Louis Tracy , a British journalist and prolific writer of fiction.

A large inheritance greatly transforms the lives of three people: a good man, who would have inherited at least a part of the fortune if his uncle hadn't passed away before he could alter the will, his cousin, who inherits all but is prevented from enjoying it, and a gambler, who is in desperate need of such a sum of money. The connection of the three ends fatal for at least one of them.

For Fifteen Years by Louis Ulbach is the sequel to The Steel Hammer which tells the story of a poor upholsterer, Jean Mortier who is falsely accused of murder and the tragic chain of events that follow. For Fifteen Years begins in the aftermath of the conviction when the destitute wife and daughter of Jean Mortier are taken in by the family of a character witness from the trial, Gaston de Monterey. Circumstances and deceptions lead to distrust and tension among the two families for fifteen years but the daughter of Jean Mortier and the son of Gaston de Monterey have fallen in love...

In this delightful short story, we discover the secrets of the Trevlyn family. 'The Mysterious Key and What it Opened' is a mystery entwined with romance (Introduction by ashleighjane)

It's 1865 in the city of San Francisco. Pretty, young Ellie Fenwick is walking to the market early one morning to surprise her father with some fresh mushrooms. As she passes a gambling house, she hears a gunshot and two young men emerge. One man falls dead on the pavement and the other is Johnny Montgomery, a handsome young man Ellie recognizes from seeing him previously at a dance. Johnny is holding a smoking pistol in his hand. This incident propels the proper young Ellie into a world of prisons and courtrooms as a murder trial unfolds and the fate of Johnny may rest with her testimony...

A Pictorial Record of Personal Experiences by Day and Night in the Great Metropolis, with hundreds of thrilling anecdotes and incidents, sketches of life and character, humorous stories, touching home scenes, and tales of tender pathos, drawn from the bright and shady sides of the great under world of New York. By Mrs. Helen Campbell, City Missionary and Philanthropist; Col. Thomas W. Knox, Author and Journalist; and Supt. Thomas Byrnes, Chief of NY Police and Detectives. With highly interesting descriptions of little known phases of New York life; and an account of Detective Byrnes' thirty years' experiences and reminiscences written by himself from his private diary...