Becoming Batman: The Possibility of a Superhero
$9.59 - $43.49
Captain America vs. Iron Man
$6.19 - $6.89
Chasing Captain America: How Advances in Science, Engineering, and Biotechnology Will Produce a Superhuman
$7.89 - $13.58
Inventing Iron Man: The Possibility of a Human Machine
$5.09 - $31.58
Project Superhero
$5.39 - $11.85