Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
William Braid White
Edwin A. Pratt
Bradley A. Fiske
Howard Irving Chapelle
Ontario. Department of Education
W. E. Dickson
Henry A. Gardner
Juliet Corson
John Loudon McAdam
Silvio A. Bedini
2nd. Altitude Indoctrination Unit United States. Army Air Forces. Air Force
Anonymous
C. Malcolm Watkins
Hiram S. Maxim
Mrs. Marcet and Thomas P. Jones
Various
Angus Sinclair
N. M. Stevens
Arthur Henry Chamberlain
Alfred Powell Morgan
Mary Somerville
James H. Brace and Francis Mason
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.