$10 per copy, 3 for $25, 4 for $30, and 5 or more copies at $7 each. Postage $4 per copy. Less for multiple copy orders (media book rate).
Amazon Books also sells the book. It is priced at $12.99 plus postage of $3.99. (No multi-copy pricing through Amazon.)
Digital downloads are available at $4.99 each through Amazon Kindle, Apple iBooks and Barnes & Noble Nook.
All printed copies are signed by the author.