A King's Ransom (The 39 Clues
Cahills vs. Vespers, #2)
by Jude Watson
Popularity 16
After seven members of their family are kidnapped by an organization called the Vespers, Dan and Amy Cahill must race against time to track down an ancient map to pay as ransom to bring the hostages home.
FictionMapsCiphersHostagesAdventure and adventurersCode and cipher storiesBrothers and sistersJuvenile fictionChildren's fictionMystery and detective storiesAdventure and adventurers, fictionKidnapping, fiction