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Incoming Resources
- Secrets of World War II, by Sean McCollum
- Building the Titanic, the making of a doomed ship, by Sean McCollum ; content consultant: Captain Charles Weeks, Professor Emeritus in Marine Transportation, Maine Maritime Academy
- Vikings, a guide to the terrifying conquerors, by Sean McCollum
- Video game trivia, what you never knew about popular games, design secrets, and the coolest characters, by Sean McCollum
- Secrets of World War I, by Sean McCollum
- Secrets of World War II, by Sean McCollum
- Video game trivia, what you never knew about popular games, design secrets, and the coolest characters, by Sean McCollum
- Building the Titanic, the making of a doomed ship, by Sean McCollum ; content consultant: Captain Charles Weeks, Professor Emeritus in Marine Transportation, Maine Maritime Academy
- Secrets of World War I, by Sean McCollum