One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac embarks on his first adventure as a secret agent--with the assurance that the Queen will give him a note excusing him from school.

Daunis, who is part Ojibwe, defers attending the University of Michigan to care for her mother and reluctantly becomes involved in the investigation of a series of drug-related deaths. Daunis Fontaine has never quite fit in, either in her hometown or on the nearby Ojibwe reservation. She dreams of college, but when her family is struck by tragedy she puts her future on hold to care for her fragile mother. The only bright spot is meeting Jamie, a...

"The sinister Umbra has [its] sights set on recruiting a North Korean nuclear physicist by any means necessary, and the City Spies plan to keep an eye on his son by sending Paris to the chess prodigy's tournaments in Moscow and Beijing. Meanwhile, Sydney's embedded as a junior reporter for a teen lifestyle site as she follows the daughter of a British billionaire on tour with the biggest act on her father's music label to uncover what links both...

To crack a secret code, Mac follows the clues to France and Japan where he must use his gaming skills and defeat his enemy, the KGB Man.

Beyond the Empire and within it, the threat of war looms ever larger as the Blood Shrike, Helene Aquilla, Laia of Serra, and Elias Veturius all face increasing dangers. The Blood Shrike, Helene Aquilla, is assailed on all sides. Emperor Marcus, haunted by his past, grows increasingly unstable, while the Commandant capitalizes on his madness to bolster her own power... the lives of all those in the Empire hang in the balance. Far to the east, Laia...