Edge of Yesterday

A Time Travel Adventure

When science-smart Charley Morton decides to use Leonardo da Vinci's strangely futuristic designs to build a time machine for the middle school science fair, her secret plan is to take it for a spin. Dream: to meet her Renaissance hero.

But the past proves a treacherous place for girls with brains and a smart device from a future that da Vinci, himself, can't wait to see!

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