Spies & Fall Guys Bundle: Signed paperback copies of "The Hidden Vector" and "Get Idiota." $34.99
Signed copy of "The Hidden Vector" only:
Signed copy of "Get Idiota" only:
*Price includes shipping fees. If you would like a unique message from the author in your signed copy, or would like it signed for someone as a gift, please add a note in PayPal to that effect.