Twelve-year-old Lark Heron-Finch inherits a house on Swallowtail Island in Lake Erie, where she untangles a decades-old mystery and saves the island from unscrupulous developers.

Piper's life is turned upside down when her family moves into a shelter in a whole new city. She misses her house, her friends, and her privacy, and she hates being labeled the homeless girl at her new school. But while Hope House offers her new challenges, it also brings new friendships, like the girls in Firefly Girls Troop 423 and a sweet street dog named Baby. So when Baby's person goes missing, Piper knows she has to help. But helping means finding...

With her father lost at sea, Sophie wanders aimlessly around Aqualand, a marine theme park, until an "aquanaut" breaks into the park's research lab, revealing Aqualand's dark side, and vowing to free the captive marine life with her help.

Seventh-grader Tristan Strong tumbles into the MidPass and, with allies John Henry and Brer Rabbit, must entice the god Anansi to come out of hiding and seal the hole Tristan accidentally ripped in the sky.

""During the time men live without a common Power to keep them all in awe, they are in that condition which is called Warre." Written during the turmoil of the English Civil War, Leviathan is an ambitious and highly original work of political philosophy. Claiming that man's essential nature is competitive and selfish, Hobbes formulates the case for a powerful sovereign -- or "Leviathan" -- to enforce peace and the law, substituting security for the...