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 Monster Men By: Edgar Rice Burroughs

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 Movements and Habits of Climbing Plants By: Charles Darwin

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

The Native Soil By: Alan Edward Nourse

The Natural History of Chocolate Being a Distinct and Particular Account of the Cocoa-Tree, its Growth and Culture, and the Preparation, Excellent Properties, and Medicinal Vertues of its Fruit By: D. Quélus

The Natural History of Selborne, Vol. 1 By: Gilbert White

The Natural History of Selborne, Vol. 2 By: Gilbert White

The Naturalist in Nicaragua By: Thomas Belt

The Naturalist on the River Amazons By: Henry Walter Bates

The Naturalist on the Thames By: C. J. (Charles John) Cornish

The Navy as a Fighting Machine By: Bradley A. (Bradley Allen) Fiske

The Negro By: William E. B. Du Bois

The Negro at Work in New York City A Study in Economic Progress By: George Edmund Haynes

The Negro Farmer By: Carl Kelsey

The Nervous Housewife By: Abraham Myerson

The Nests and Eggs of Indian Birds, Volume 1 By: Allan Octavian Hume

The New Heavens By: George Ellery Hale

The Next Logical Step By: Ben Bova

The Next Step A Plan for Economic World Federation By: Scott Nearing

The No Breakfast Plan and the Fasting-Cure By: Edward Hooker Dewey

The Nothing Equation By: Tom Godwin

The Number "e" By: Unknown

The Number Concept Its Origin and Development By: Levi L. (Levi Leonard) Conant

The Observers By: G. L. Vandenburg

The Odyssey of Sam Meecham By: Charles E. Fritch

The Old Game A Retrospect after Three and a Half Years on the Water-wagon By: Samuel G. (Samuel George) Blythe

The Old Merchant Marine; A chronicle of American ships and sailors By: Ralph Delahaye Paine

The One and the Many By: Stephen Marlowe

The Open Air By: Richard Jefferies

The Opium Monopoly By: Ellen Newbold La Motte

The Other Likeness By: James H. Schmitz

The Outbreak of Peace By: Horace Brown Fyfe

The Panama Canal Conflict between Great Britain and the United States of America A Study By: L. (Lassa) Oppenheim

The Panchronicon By: Harold Steele MacKaye

The Passenger By: Kenneth Harmon

The Passing of Ku Sui By: Anthony Gilmore

The Past Condition of Organic Nature By: Thomas Henry Huxley

The Path-Way to Knowledg Containing the First Principles of Geometrie By: Robert Record