Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
W. T. Calman
Cecil Warburton, D'Arcy Wentworth Thompson, Geoffrey Smith, Walter Frank Raphael Weldon, and Henry Woods
Sir E. Ray Lankester
Charles Frederick Holder
David Fairchild and Marian Fairchild
Mary Somerville
Fritz Müller
E. Stenhouse
Wilfred Mark Webb and Charles Sillem
Society for Promoting Christian Knowledge . Committee of General Literature and Education
William Barry Lord
Alfred Edmund Brehm
Felix Antonio de Brito Capello
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.