The Eureka Key by Sarah L. ThomsonCall Number: FIC THO
ISBN: 9781619637313
Publication Date: 2016-04-05
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.