Title rated 4.5 out of 5 stars, based on 12 ratings(12 ratings)
Book, 2016
Current format, Book, 2016, , No Longer Available.
Book, 2016
Current format, Book, 2016, , No Longer Available. Offered in 0 more formats
Sam (a puzzle master) and Martina (a history whiz) become involved in a dangerous quest to find seven keys left behind by Benjamin Franklin and a secret society of descendants, which, when gathered together, unlock a powerful weapon, so the middle schoolers must solve the puzzles, find the artifacts before the bad guy does, and save the nation.
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