Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
J. H. Hubback and Edith C. Hubback
John Mather Austin
George Austin Morrison
Harry Castlemon
Jacob Abbott
R. M. Ballantyne
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.