A girl who has been held in an experimental medical facility to remove the memories that gave her post-traumatic stress disorder begins to recover her memory after fleeing mercenaries sent to eliminate her. When a procedure to eliminate Sarah's memory goes awry and she starts to remember snatches of her past, has the procedure been her salvation or her destruction? To access the answers, she'll need the help of the teen computer hacker who's trying...

Ralph Rover is a traveler at heart, and has always dreamed of shipping out to the South Seas islands. He finally convinces his aging parents to let him go and find his way in the world. But the islands that Ralph finds are not as idyllic as in his dreams. Shipwrecked on a large, uninhabited island, Ralph and his fellow survivors, Jim and Peterkin, discover a world of hostile natives and villainous pirates. Danger, high adventure, and wonders of the...

Fifteen-year-old Claire Ryan has always felt invisible, always lived beyond people's notice, which causes trouble when she instantly connects with seventeen-year-old Nix, who really can become invisible and has been sent to assassinate her.

Ronan, fifteen, the youngest and lowliest recruit to Ireland's secret Garda, faces untold danger from the wee people while trying to prove his imprisoned parents were framed.

Father and son inventors explore a cave using a new invention, the cat-eye vest.

"An enigmatic message leads the Code Busters on a treasure hunt on creepy Alcatraz Island, where they must use their problem-solving skills to unravel the mystery"--

When Jack and his genius foster siblings, Ava and Matt, discover inventor Hank Witherspoon is missing, they travel deep into the Amazon jungle, overcoming strange creatures, a raging river, and some very clever foes to find their friend and protect his big idea.

The Cosmic Annihilator, a weapon capable of destroying entire planets, is missing, and it is up to Batman to defeat his enemies and recover it.

In Japan in 1853, at the time of U.S. Commodore Matthew Perry's visit to Japan, Yoshi, a young Japanese boy who dreams of becoming a samurai one day, learns about America from Majiro and has adventures with Jack, a young cabin boy aboard one of the U.S. ships. Includes historical notes and glossary.

When Black Mask crashes Bruce Wayne's masquerade ball and kidnaps Comissioner Gordon it is up to Batman to rescue the policeman--with some timely help from Catwoman.