The Eureka key

Description:

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.

subjects: Puzzles,  Juvenile fiction,  Antiquities,  Secret societies,  Fiction,  Children's fiction,  Franklin, benjamin, 1706-1790, fiction,  Adventure and adventurers, fiction,  Mystery and detective stories,  JUVENILE FICTION / Action & Adventure / General,  JUVENILE FICTION / Historical / United States / General,  JUVENILE FICTION / Mysteries & Detective Stories,  JUVENILE FICTION,  Action & Adventure,  General,  Mysteries & Detective Stories

People: Benjamin Franklin (1706-1790)