Nathaniel, a magician's apprentice, summons up the djinni Bartimaeus and instructs him to steal the Amulet of Samarkand from the powerful magician Simon Lovelace.

"Action-packed and filled with great friendships, terrible villains, plot twists, and plenty of humor."-San Antonio Express-News In the gripping final book in the Riddle in Ruby trilogy, young thief Ruby Teach and her friends must save their city from an evil scientist with nefarious plans. The epic conclusion of the Riddle in Ruby trilogy is a hilarious and dastardly adventure perfect for fans of The School for Good and Evil and The Amulet of Samarkand....