If You Liked Percy Jackson and the Olympians...

Thirteen-year-old Twig, having always looked and felt different from his woodtroll family, learns that he is adopted and travels out of his Deepwoods home to find the place where he belongs. Young Twig lives in the Deepwoods, among the Woodtrolls, but he isn't one of them. In a brave attempt to find out where he belongs, Twig wanders into the mysterious, dangerous world beyond the deepwoods. He meets a collection of odd companions, such as his wise...

Will and his friend Horace are chosen by the Rangers to do battle with the evil warlord Morgarath; but Morgarath and his legions make it over the once impassible eastern mountains with plans to to ambush the king's army.

Twelve-year-old Alexa realizes her lifelong wish when she finds the key to a secret passageway leading out of the walled city of Bridewell, and is free to explore the mysterious forests and mountains that lie beyond its confines.

When Kendra and Seth go to stay at their grandparents' estate, they discover that it is a sanctuary for magical creatures and that a battle between good and evil is looming.

Fourteen-year-old Valkyrie and the skeleton mage, Skulduggery Pleasant, try to foil a plot set in motion fifty years before to find and open the gate that will allow the Faceless Ones to return to this reality.

When slaves rebel in ancient Sparta, twelve-year-old Lysander, guarded by an heirloom amulet, the Fire of Ares, is caught between the Spartan ruling class, with whom he has been training as a warrior since his noble heritage was revealed, and those among whom he was recently laboring as a slave.

When twelve-year-old Gregor finally learns the ancient prophecy, which foretells his death, he must gather his courage to defend Regalia from the army of rats, take his mother and sister home safely, and fight his own dark side.

In his second adventure, eleven-year-old Gregor returns to the world beneath New York City to rescue his kidnapped sister, Boots, and fulfill a prophecy that will restore peace to the people, bats, rats, cockroaches, and spiders who populate the underworld.

Cordelia, Brendan, and Eleanor Walker, aged fifteen to eight, must rely on a mysterious book to face the Wind Witch and her father, the Storm King, who have kidnapped Dr. and Mrs. Walker and brought them to a strange world of magic.

Twelve-year-old Meggie learns that her father, who repairs and binds books for a living, can "read" fictional characters to life when one of those characters abducts them and tries to force him into service.