Paperback $ 12.95
eBook $ 8.99
Find the book at some commonly used stores.
Paperback Amazon Barnes&Noble
eBook Kindle NOOK Kobo
Find the book at other stores.
The book is available in many places other than the links above.  To find the book at a different store, just copy/paste one of the ISBN-13 numbers below, into the search field of your favorite book seller.

Paperback 9780986165306
eBook 9780986165313