On May 9, 12:54*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.

Sam Sloan

I'm still wondering if this book is in the public domain at this
time. It was first published in 1978, just 30 years ago. What is the
length of copyright for such works?