The Rise and Progress of Palaeontology By: Thomas Henry Huxley

The Risk Profession By: Donald E. Westlake

The Romance of Mathematics Being the Original Researches of a Lady Professor of GirthamCollege in Polemical Science By: P. Hampson

The Romance of Modern Chemistry By: James C. Philip

The Romance of Names By: Ernest Weekley

The Royal Road to Health By: Charles Alfred Tyrrell

The Rural Life Problem of the United States Notes of an Irish Observer By: Horace Curzon Plunkett

The Rural Motor Express To Conserve Foodstuffs and Labor and to Supply Rural Transportation. By: United States. Council of National Defense. Highways Transport Committee

The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. By: W. H. (William Henry) Smyth

The Sargasso of Space By: Edmond Hamilton

The Sceptical Chymistor Chymico-Physical Doubts By: Robert Boyle

The School and the World By: Victor Gollancz

The Science of Fingerprints Classification and Uses By: United States. Federal Bureau of Investigation

The Scientific Evidences of Organic Evolution By: George John Romanes

The Second Voice By: Mann Rubin

The Secret of a Happy Home (1896) By: Marion Harland

The Secret of the Island By: Jules Verne

The Seed of the Toc-Toc Birds By: George Henry Weiss

The Sensitive Man By: Poul William Anderson

The Servant Problem By: Robert F. Young

The Settlement of Wage Disputes By: Herbert Feis

The Sexual Life of the Child By: Albert Moll

The Sexual Question A Scientific, psychological, hygienic and sociological study By: Auguste Forel

The Shepherd of Banbury's Rules to Judge of the Changes of the Weather, Grounded on Forty Years' Experience By: John Claridge

The Shining Cow By: Alex James

The Short Life By: Francis Donovan

The Skull By: Philip K. Dick

The Sky Trap By: Frank Belknap Long

The Skylark of Space By: E. E. Smith

The Smiler By: Albert Hernhuter

The Social Emergency Studies in Sex Hygiene and Morals By: William Trufant Foster

The Social Work of the Salvation Army By: Edwin Gifford Lamb

The Solar Magnet By: Sterner S. Meek

The Sound of Silence By: Barbara Constant

The Space Pioneers By: Carey Rockwell

The Space Rover By: Edwin K. Sloat

The Splash of a Drop By: A. M. (Arthur Mason) Worthington

The Squirrels and other animals Illustrations of the habits and instincts of many of the smaller British quadrupeds By: George E. Waring

The Stamps of Canada By: Bertram W. H. (Bertram William Henry) Poole

The Standard Electrical Dictionary A Popular Dictionary of Words and Terms Used in the Practice of Electrical Engineering By: T. O'Conor (Thomas O'Conor) Sloane

The Star Hyacinths By: James H. Schmitz

The Starvation Treatment of Diabetes By: Lewis Webb Hill

The Status Civilization By: Robert Sheckley

The Stephens Family A Genealogy of the Descendants of Joshua Stevens By: Bascom Asbury Cecil Stephens

The Stoker and the Stars By: Algis Budrys

The Story of a Dark Plot or Tyranny on the Frontier By: A.L.O.C.

The Story of a Tinder-box By: Charles Meymott Tidy

The Story of Eclipses By: George F. (George Frederick) Chambers

The Story of Evolution By: Joseph McCabe

The Story of Germ Life By: Herbert W. Conn

The Story of My Life By: Helen Keller

The Story of the Cambrian A Biography of a Railway By: C. P. (Charles Penrhyn) Gasquoine

The Story of the First Trans-Continental Railroad Its Projectors, Construction and History By: William Francis Bailey

The Story of the Heavens By: Robert S. Ball

The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity By: Herbert W. Conn

The Stowaway By: Alvin Heiner

The Street That Wasn't There By: Clifford D. Simak

The Student's Elements of Geology By: Charles Lyell

The Stutterer By: R. R. Merliss

The Subspecies of the Mexican Red-bellied Squirrel, Sciurus aureogaster By: Keith R. Kelson

The Subterranean Brotherhood By: Julian Hawthorne

The Success Machine By: Henry Slesar

The Sword and the Atopen By: Taylor H. Greenfield

The Talkative Tree By: Horace Brown Fyfe

The Talking Deaf Man A Method Proposed, Whereby He Who is Born Deaf, May Learn to Speak By: John Conrade Amman

The Task of Social Hygiene By: Havelock Ellis

The Ten Pleasures of Marriage and the Second Part, The Confession of the New Married Couple By: A. Marsh

The Terrible Answer By: Arthur G. Hill

The Terror from the Depths By: Sewell Peaslee Wright

The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality By: Rudolf Schmid

The Third Great Plague A Discussion of Syphilis for Everyday People By: John H. (John Hinchman) Stokes

The Thirst Quenchers By: Rick Raphael

The Toilers of the Field By: Richard Jefferies

The Tricks of the Town: or, Ways and Means of getting Money By: John Thomson

The Troubadour By: Robert W. Lowndes

The Trouble with Telstar By: John Berryman

The True Story of the American Flag By: John Henry Fow

The Truth About Woman By: C. Gasquoine Hartley

The Twin Hells; a thrilling narrative of life in the Kansas and Missouri penitentiaries By: John N. Reynolds

The Ultimate Experiment By: Thornton DeKy

The Undersea Tube By: L. Taylor (Lucile Taylor) Hansen

The Unnecessary Man By: Randall Garrett

The Unthinking Destroyer By: Rog Phillips

The Untouchable By: Stephen A. Kallis

The Untroubled Mind By: Herbert J. Hall

The Value of Zeta(3) to 1,000,000 places By: Simon Plouffe

The Variation of Animals and Plants under Domestication By: Charles Darwin

The Velvet Glove By: Harry Harrison

The Vortex Blaster By: E.E. Smith

The War of the Wenuses By: Edward V. Lucas

The Watchers of the Trails A Book of Animal Life By: Charles George Douglas Roberts

The Way of the Wild By: F. St. Mars

The Weakling By: Everett B. Cole

The Wedding Day The Service—The Marriage Certificate—Words of Counsel By: J. F. (John Fletcher) Hurst

The Wedding Ring A Series of Discourses for Husbands and Wives and Those Contemplating Matrimony By: Thomas De Witt Talmage

The Western World Picturesque Sketches of Nature and Natural History in North and South America By: William Henry Giles Kingston

The Whispering Spheres By: Russell R. Winterbotham

The White Invaders By: Ray Cummings

The Winds of Time By: James H. Schmitz

The Winged Men of Orcon A Complete Novelette By: David R. Sparks