http://www.amazon.com/Stirling-Story-Boys-Hope-Dream-ebook/dp/B00H1N6X1Y
The paperback is at http://www.amazon.com/Stirling-craig-g-lock/dp/1494333805
Other versions of Stirling are at http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=stirling+%2B+craig+lock
