1.
Brainstorm Islands: Invent to Survive
by Yonover, Rob, Crowe, Ellie,...
ISBN: 9781481046886
List Price: $7.99
2.
Hardcore Inventing: Invent, Protect, Promote, and Profit From Your Ideas
by Crowe, Ellie, Yonover, Robe...
ISBN: 9781602396548