Light Science for Leisure Hours By: Richard A. Proctor

Lighter Than You Think By: Nelson Slade Bond

Little Brothers of the Air By: Olive Thorne Miller

Little Masterpieces of Science - Mind By: George Iles

Little Masterpieces of Science - The Skies and The Earth By: George Iles

Little Wanderers By: Margaret Warner Morley

Lives of the Most Remarkable Criminals Who have been Condemned and Executed for Murder, the Highway, Housebreaking, Street Robberies, Coining or other offences By: Arthur L. Hayward

Lola or, The Thought and Speech of Animals By: Henny Kindermann

London (Ancient And Modern) From The Sanitary And Medical Point Of View By: George Vivian Poore

London Labour and the London Poor Volume I By: Henry Mayhew

London Labour and the London Poor Volume II By: Henry Mayhew

London Labour and the London Poor Volume III By: Henry Mayhew

London's Underworld By: Thomas Holmes

Lonesome Hearts By: Russell R. Winterbotham

Long Ago, Far Away By: Murray Leinster

Longevity By: Therese Windser

Looking Backward 2000-1887 By: Edward Bellamy

Loot of the Void By: Edwin K. Sloat

Lords of the Stratosphere By: Arthur J. Burks

Lost in the Future By: John Victor Peterson

Lost in Translation By: Laurence M. Janifer

Louis Agassiz as a Teacher; illustrative extracts on his method of instruction By: Lane Cooper

Louis Agassiz: His Life and Correspondence By: Louis Agassiz

Love's Meinie Three Lectures on Greek and English Birds By: John Ruskin

Love—Marriage—Birth Control Being a Speech delivered at the Church Congress at Birmingham, October, 1921 By: Bertrand Edward Dawson Dawson

Machiavelli, Volume I By: Niccolò Machiavelli

Made in Tanganyika By: Carl Richard Jacobi

Making Both Ends Meet The income and outlay of New York working girls By: Edith Wyatt

Malaria in Greek History By: William Henry Samuel Jones

Malaria: A Neglected Factor in the History of Greece and Rome By: William Henry Samuel Jones

Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico By: E. Raymond (Eugene Raymond) Hall

Man and Nature on the Broads By: Arthur Henry Patterson