Charlie Thorne

Stuart Gibbs

Twelve-year-old Charlotte “Charlie” Thorne is a brilliant, fiercely independent genius recruited by the CIA for a mission no adult has been able to solve. Her task: decode a cryptic equation created by Albert Einstein and locate Pandora, a mysterious secret hidden somewhere in the world. As Charlie races across international locations while evading dangerous adversaries, she must rely on her intellect, courage, and hard-won instincts to survive. Fast-paced and inventive, this middle-grade thriller explores the responsibilities of extraordinary talent, the power of curiosity, and the fine line between independence and trust.

Stuart Gibbs

Thirteen-year-old genius Charlie Thorne is hiding in the Galápagos Islands when a dangerous secret draws her into a race across South America. To find a mysterious discovery concealed by Charles Darwin nearly two centuries ago, Charlie must decipher a trail of cryptic clues while staying one step ahead of the CIA and other determined pursuers. Packed with high-stakes action, puzzles, and globe-spanning adventure, the novel explores courage, ingenuity, and the challenge of surviving when every secret comes with a price.

Stuart Gibbs

Genius teenager Charlie Thorne is drawn into a perilous race to uncover the legendary treasure of Cleopatra before it falls into the hands of ruthless enemies. Following a trail of ancient clues, Charlie must match wits with one of history’s most brilliant and enigmatic rulers while solving a two-thousand-year-old mystery. Blending fast-paced adventure, history, puzzles, and danger, this thrilling installment challenges Charlie to use her extraordinary intellect—and courage—to protect a discovery that could change everything.

Stuart Gibbs

Charlie Thorne has made a career of outrunning danger, but her latest mission sends her into the shadowy world of the Royal Society. Alongside former CIA allies, the brilliant teenage code-breaker must unravel a secret tied to scientific history before it falls into the hands of those who would use it for power. Packed with puzzles, espionage, high-stakes action, and international intrigue, this fast-paced adventure explores the costs of genius, the meaning of trust, and the courage required to challenge powerful forces.