A Blessing in Disguise

Emily Prentiss runs into a special someone who turns her whole life upside down. What happens when a girl arrives at the BAU with no family at all, but a lot of information on a serial killer couple that have been hibernating for 5 years, but suddenly started killing again... •Book One•

Who Am I? - Criminal Minds

Spencer Reid values his mind; with an IQ of 187, an eidetic memory, and the ability to read twenty thousand words per minute, who wouldn't? But when he is struck with amnesia and loses all of his memories (thanks to a sadistic man with a weird fascination with Reid), Spencer is plunged into a world of confusion, anger...