Khmer books available online in PDF format

Kuk Noyobay (Political Jail) by Bun Chanmol
Kampuchea Neung Sahakpoan Induchin (Kampuchea and the Indochinese Federation) by Chan Dara, Ith Thong Nguon & Pen Nearovi
Seksa Sangkheb Ampi Aryak-thor Khmer (A Short Study of Khmer Culture) by Ly Theamteng

Several books (PDF format) in Khmer are now available for free download at:

http://khmerbooks.blogspot.com