Reynie, Kate, Sticky, and Constance, all graduates of the Learning Institute for the Very Enlightened and members of the Benedict Society, embark on a scavenger hunt that turns into a desperate search for the missing Mr. Benedict.

Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve and an unpopular teacher goes missing.

Bick Kidd and his globe-trotting siblings Beck, Storm and Tommy may have completed their first treasure hunt after their father was lost at sea, but their kidnapped mother is still in the hands of nasty pirates. Their search for a rescue plan takes them down the Nile river in Africa, where they'll have to navigate everything from Egyptian pyramids in the desert to wet-and-wild jungles - not to mention life-threatening encounters with wilderness diseases,...

In 1871 Wisconsin, thirteen-year-old Georgia sets out to find her sister Agatha, presumed dead when remains are found wearing the dress she was last seen in, and before the end of the year gains fame as a sharpshooter and foiler of counterfeiters.

A feisty eleven-year-old princess embarks on a dangerous mission to find her missing mother, uncovering dark secrets inside and outside the castle walls.

After years in foster care, April gets to live in a mansion where she and four other children are caught up in a mystery related to a missing heir, a lost legacy, and the Phantom.

"A twelve-year-old girl discovers her father is the keeper of the gateway between our world and The Dark, and when he goes missing she'll need to unlock her own powers and fight a horde of spooky creatures set on starting a war"--

Selkie Bay is a place where the old legends seem very near, and eleven-year-old Cordelia believes that her secretive mother is a selkie who has returned to the sea--a belief that offers some hope as she struggles to care for her two younger sisters and help her scientist father makes ends meet in their home by the sea.

When eleven-year-old Gregor and his two-year-old sister are pulled into a strange underground world, they trigger an epic battle involving humans, bats, rats, cockroaches, and spiders while on a quest foretold by ancient prophecy.

After fourteen-year-old Ozzy's scientist parents are kidnapped, Ozzy's only help may be a classified ad that says "Wizards for hire."