The Eureka key

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.

Year

2016

Language

English

Series

Secrets of the seven

Editions

1

Pages

227

ISBN

9781619637313

Data source: Wikidata