Conversation so far:
What was DDP Yoga?
fitness program.
Was this Diamond Dallas Page's fitness program?
recovering from ruptures to his L4/L5 discs in 1998 and discovering the health benefits of yoga.
Did he promote this program to the public?
book published in 2005.

Question: How well were the book sales?
Self-contained rewrite: How well were Diamond Dallas Page book sales?