Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
William Martin Leake
Various
William Desborough Cooley
Into Konrad Inha
Barthold Georg Niebuhr
James MacQueen
Sven Anders Hedin
Willis E. Johnson
Klas Corander
Friedrich Gerstäcker
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.