The Memoirs of the Conquistador Bernal Diaz del Castillo, Vol 1 (of 2): Written by Himself Containing a True and Full Account of the Discovery and Conquest of Mexico and New Spain.

Read "The Memoirs of the Conquistador Bernal Diaz del Castillo, Vol 1 (of 2): Written by Himself Containing a True and Full Account of the Discovery and Conquest of Mexico and New Spain." by Díaz del Castillo, Bernal for free. A classic public domain work covering mexico -- history -- conquest, 1519-1540. Available in full text from Project Gutenberg.