On May 9, 12:13*pm, samsloan wrote:
Elo's book, The Rating of Chess Players, Past and Present, is
reprinted today.

http://www.amazon.com/dp/0923891277

Professor Elo's book long out of print and almost impossible to obtain
has just been reprinted, with a foreward by Sam Sloan.

Is this book already in the public domain? It first appeared in
1978, only 30 years ago. How long do copyrights last for such books?