The Keeper By: H. Beam Piper

The King's Men A Tale of To-morrow By: Robert Grant

The King's Post Being a volume of historical facts relating to the posts, mail coaches, coach roads, and railway mail services of and connected with the ancient city of Bristol from 1580 to the present time By: Robert Charles Tombs

The Ladies Book of Useful Information Compiled from many sources By: Anonymous

The Land of Footprints By: Stewart Edward White

The Land of the Changing Sun By: Will N. (Will Nathaniel) Harben

The Lani People By: Jesse F. Bone

The Last Place on Earth By: Jim Harmon

The Last Supper By: T. D. Hamm

The Leader By: Murray Leinster

The Leech By: Robert Sheckley

The Leper in England: with some account of English lazar-houses By: Robert Charles Hope

The Library and Society Reprints of Papers and Addresses By: Arthur Elmore Bostwick

The Life of the Bee By: Maurice Maeterlinck

The Life of Trust: Being a Narrative of the Lord's Dealings With George Müller By: George Müller

The Life-Story of Insects By: George H. (George Herbert) Carpenter

The Lights of the Church and the Light of Science By: Thomas Henry Huxley

The Link By: Alan Edward Nourse

The Log of the Sun A Chronicle of Nature's Year By: William Beebe

The Long Voyage By: Carl Richard Jacobi

The Love of Frank Nineteen By: David Carpenter Knight

The Machinery of the Universe Mechanical Conceptions of Physical Phenomena By: Amos E. Dolbear

The Man from Time By: Frank Belknap Long

The Man the Martians Made By: Frank Belknap Long

The Man Who Played to Lose By: Laurence M. Janifer

The Man Who Rocked the Earth By: Arthur Cheney Train

The Man Who Saw the Future By: Edmond Hamilton

The Man With The Broken Ear By: Edmond About

The Manual of Heraldry; Fifth Edition Being a Concise Description of the Several Terms Used, and Containing a Dictionary of Every Designation in the Science By: Anonymous

The Marooner By: Charles A. Stearns

The Martian Cabal By: Roman Frederick Starzl

The Maternal Management of Children, in Health and Disease By: Thomas Bull

The Mathematicall Praeface to Elements of Geometrie of Euclid of Megara By: John Dee

The Mathematicians By: Arthur Feldman

The Mayflower, January, 1905 By: Various

The Meaning of Evolution By: Samuel Christian Schmucker

The Measure of a Man By: Randall Garrett

The Medallic History of the United States of America 1776-1876 By: J. F. (Joseph Florimond) Loubat

The Medicinal Plants of the Philippines By: T. H. Pardo de Tavera

The Memory of Mars By: Raymond F. Jones

The Mental Life of Monkeys and Apes A Study of Ideational Behavior By: Robert M. Yerkes

The Mercenaries By: H. Beam Piper

The Mightiest Man By: Patrick Fahy

The Migrations of an American Boat Type By: Howard I. Chapelle

The Mind Master By: Arthur J. Burks

The Minds and Manners of Wild Animals A Book of Personal Observations By: William Temple Hornaday

The Minus Woman By: Russell R. Winterbotham

The Misplaced Battleship By: Harry Harrison

The Mississippi Saucer By: Frank Belknap Long

The Monster By: S. M. Tenneshaw

The Moon A Full Description and Map of its Principal Physical Features By: Thomas Gwyn Elger

The Most Sentimental Man By: Evelyn E. Smith

The Mother and Her Child By: Lena K. (Lena Kellogg) Sadler

The Mother's Manual of Children's Diseases By: Charles West

The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth By: Miron Elisha Hard

The Mysteries of Free Masonry Containing All the Degrees of the Order Conferred in a Master's Lodge By: William Morgan

The Mysterious Murder of Pearl Bryan or: the Headless Horror. By: Unknown

The Mystery of the Green Ray By: William Le Queux

The Mystic Will By: Charles Godfrey Leland (1824-1903)

The Myxomycetes of the Miami Valley, Ohio By: A. P. (Andrew Price) Morgan