Actions
Incoming Resources
- 1491, new revelations of the Americas before Columbus, Charles C. Mann
- Before Columbus, the Americas of 1491, Charles C. Mann ; [adapted by] Rebecca Stefoff
- 1493, [uncovering the new world Columbus created], Charles C. Mann
- 1493, uncovering the new world Columbus created, Charles C. Mann
- The wizard and the prophet, two remarkable scientists and their dueling visions to shape tomorrow's world, Charles C. Mann