Teenager Eliza and her friends are going to explore a cave near their upstate New York home, but first her friends insist on dragging her to Drowner's Swamp, a bog legendary for its dangerous sinkholes, and a place which her mother has frequently warned her about; Eliza does not want to go, and when the earth opens up and swallows her she finds herself in a system of caves--and what she finds living there is strange and dangerous beyond anything the...

Follows a fourteen-year-old American girl whose life unexpectedly transforms when she moves to London in 1952 and gets swept up in a race to save the world from nuclear war.

Twelve-year-old Silas is awoken in the dead of night by three menacing horsemen who take his father away. Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool...who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore...

When Malcolm finds a secret message inquiring about a dangerous substance called Dust, he finds himself embroiled in a tale of intrigue featuring enforcement agents from the Magisterium, a woman with an evil monkey daemon, and a baby named Lyra.

The journey begins on a ship at sea in 1766, with a boy named Billy Marvel. After surviving a shipwreck, he finds work in a London theatre. There, his family flourishes for generations as brilliant actors until 1900, when young Leontes Marvel is banished from the stage. Nearly a century later, Joseph Jervis runs away from school and seeks refuge with a reclusive uncle in London. Albert Nightingale's strange, beautiful house, with its mysterious portraits...

On the aethership's maiden voyage, Seraphin and the Knights of Aether had prepared for everything--except treason. The villainous chamberlain wants to overthrow King Ludwig and claim the electro-aetheric technology for Prussia. The only escape for the king and his companions lies in the frosty skies above Bavaria. The ship's first flight is a success, but their respite is short-lived. As long as the chamberlain is free to spread his lies, these travelers...

The magic tree house is back with a message from Morgan le Fay telling Jack and Annie to seek out "The Gray Ghost" and listen to her story, and immediately they are whisked away to Nepal where they meet Tenzin, a climber who has recently lost his family, and who takes them up the mountain to meet a snow leopard and renew himself.