Available as a free Kindle download on Dec. 6th and 7th. The book is "Who Played that Solo" and it tells about some of the unknown people behind well-known riffs and solos. Also, I got a few cool interviews.
My standard answer to your question is...They're selling like hotcakes. Bad-tasting hotcakes in a low-populated, low-income country of illiterate people.
I truly believe there is some interesting info in it.