Yep, you read it right, it's free in the Amazon US store, the Kobo store and on Smashwords!
still trying to get it go free in the other Amazon stores and waiting
on Smashwords for it to go free on B&N, but for now, you can always
get a copy from Smashwords for all different readers.
Book 2 and 3 are also available from all the stores, you can find them here:
Amazon.com: Author Page
Amazon.co.uk: Author Page
Kobo: Author Page
Smashwords: Author Page