A boy who may be part changeling, twins involved in a bizarre secret experiment, and a clurichaun in a red tracksuit try to save the world from an evil cereal company whose ultimate goal is world domination.

"Criminal genius runs in the family... Myles and Beckett Fowl are twins but the two boys are wildly different. Beckett is blonde, messy and sulks whenever he has to wear clothes. Myles is impeccably neat, has an IQ of 170, and 3D prints a fresh suit every day - just like his older brother, Artemis Fowl. A week after their eleventh birthday the twins are left in the care of house security system, NANNI, for a single night. In that time, they befriend...

Sixteen-year-old Clara Morris is facing an awkward summer with her father in the tiny upstate town of Redmarch Lake. Clara's relationship with her parents--and with life in general--has been strained since she lost her twin sister, Zoe, when the girls were eight. As a child, her sister had been her whole world--they even shared a secret invented twin language. Clara has managed to rebuild herself as best she can, but she still feels a hole in her...