Ok, as of right now(July 30), here is the list of stores online that The Usurper can be bought:

The Usurper
Paperback: 310 pages
Publisher: CreateSpace (July 14, 2010)
Language: English
ISBN-10: 1453702725
ISBN-13: 978-1453702727

The Paperback
CreateSpace
Amazon
Barnes and Noble
Powells
and on Lulu with a separate ISBN

E-book Version
Kindle
Smashwords
Sony Reader
Kobo for your mobile phone
Scribd
Lebrary
Myebook
Available at the Apple iBookstore, search for ISBN 978-1-4524-2920-5

If you’re on Goodreads, Shelfari, FiledBy, Facebook, or Myspace, Twitter, then click on the links to find me or my books