Charlie Thorne and the Lost City (Charlie Thorne, Book 2)
In this sequel to the New York Timesbestselling Charlie Thorne and the Last Equation—which #1New York Times bestselling author Chris Grabenstein called"a real page-burner"—Charlie searches for Charles Darwin's hiddentreasure in South America.Charlie Thorne is a genius.Charlie Thorne is a fugitive.Charlie Thorne isn't even thirteen.After saving the world, Charlie is ready to take it easy in theGalapagos Islands. That is, until she's approached by themysterious Esmeralda Castle, who has a code she knows only Charliecan decipher.In 1835, Charles Darwin diverted his ship's journey so he couldspend ten months in South America on a secret solo expedition. Whenhe returned, he carried a treasure that inspired both awe andterror in his crew. Afterward, it vanished, never to be seenagain...But Darwin left a trail of clues behind for those brave andclever enough to search for it.Enter Charlie Thorne.In a daring adventure that takes her across South America,Charlie must crack Darwin's 200-year-old clues to track down hismysterious discovery—and stay ahead of the formidable lineup ofenemies who are hot on her tail.When an ancient hidden treasure is at stake, people will doanything to find it first. Charlie may be a genius, but is shesmart enough to know who she can trust?