A girl discovers her boarding school is actually an elite spy-training program, and she must learn the skills of the trade in order to find her mother in this a

Abby and the rest of her friends go international as they embark on their first “official” Center mission in this second book in the Mrs. Smith’s Spy Scho

Shannon Hale’s Princess Academy meets Stu Gibbs’s Spy School series in the third book in the Mrs. Smith’s Spy School for Girls series. Abby and her classm

A New York Times bestseller! A GMA3 Summer Reading Squad Selection! “Ingeniously plotted, and a grin-inducing delight.” —People “Will keep young readers

Rebel surfer-turned-field ops specialist Sydney finds herself in hot water while undercover on a marine research vessel, while her City Spies teammates investig