"Following the death of her closest friend in summer 1968, Meryl Lee Kowalski goes off to St. Elene's Preparatory Academy for Girls, where she struggles to navigate the venerable boarding school's traditions and a social structure heavily weighted toward students from wealthy backgrounds. In a parallel story, Matt Coffin has wound up on the Maine coast near St. Elene's with a pillowcase full of money lifted from the leader of a criminal gang"--

After learning that the father he never knew is Poseidon, God of the Sea, Percy Jackson is transferred from boarding school to Camp Half-Blood, a summer camp for demigods, and becomes involved in a quest to prevent a catastrophic war between the gods.

When boarding-school student Oscar Drai meets Marina, she promises him a mystery and takes him to a secret graveyard deep in Barcelona, where they witness a woman dressed in black lay a single rose atop a gravestone etched with a black butterfly. Their curiosity leads them down a dangerous path, and they discover a decades-old conspiracy that puts their lives in the hands of forces more sinister and mystical than they could have believed possible--...

In 1934 Kit finds that she has hard lessons to learn about the Depression both at home, where she is helping her mother run a boarding house while her father looks for a new job, and at school, where a fight spoils the preparations for the Thanksgiving pageant.