Incoming Resources
- Natural born heroes, how a daring band of misfits mastered the lost secrets of strength and endurance, by Christopher McDougall
- Natural born heroes, how a daring band of misfits mastered the lost secrets of strength and endurance, by Christopher McDougall
- Natural born heroes, how a daring band of misfits mastered the lost secrets of strength and endurance, Christopher McDougall
- On the origin of superheroes, from the big bang to Action Comics no. 1, Chris Gavaler
- Natural born heroes, mastering the lost secrets of strength and endurance, Christopher McDougall
- Natural born heroes, how a daring band of misfits mastered the lost secrets of strength and endurance, Christopher McDougall