Their magic tree house takes Jack and Annie back to retrieve a lost story in ancient Greece, where they witness the original Olympic games and are surprised to find what girls of the time were not allowed to do.

The magic tree house carries Jack and Annie to New York City in 1938 on a mission to rescue the last unicorn. In this exciting new Merlin Mission, Jack and Annie go back in time to New York City, during one of the darkest periods in the city's history--the Great Depression. Even worse, the city is in the grip of a terrible snowstorm. To stop the blizzard, Jack and Annie must save the unicorn made famous in the Cloister's medieval tapestries. But will...

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle.

The Capitol is angry that Katniss Everdeen has survived the Hunger Games twice, stirring unrest by having defied the rules, and President Snow has made it clear that she, her family and friends, and the people of District 12 may all be held accountable.

Nick and Marta are both suspicious when their biology teacher, the feared Mrs. Bunny Starch, disappears, and try to uncover the truth despite the police and headmaster's insistence that nothing is wrong.

After Missy is abducted during a vacation and evidence of her murder shows up at a shack in the forests of Oregon, Mackenzie Philips, her father, receives a strange note inviting him to return to the scene of the tragedy where he wrestles with nightmarish religious questions.

Nine-year-old Katie Mackey, the daughter of the most affluent family in a small Indiana town, disappears one night while riding her bike to the library, throwing the town into turmoil.

Colorado psychologist Dr. Alan Gregory's already tense personal and professional relationships become even more strained when Michael McClelland, the man convicted of raping and murdering Gregory's sister, escapes from the mental institution in which he was incarcerated and comes looking for the people he blames for putting him away.

In a time before Lyra Silvertongue was born, the tough American balloonist Lee Scoresby and the great armoured bear Iorek Byrnison meet when Lee and his hare daemon Hester crash-land their trading balloon onto a port in the far Arctic North and find themselves right in the middle of a political powder keg. Includes illustrations and a board game.

Artemesia, having escaped the hangman's noose and married her true love, finds life ashore a bit boring after her adventures as a pirate queen, and does not hesitate when the government of England, at war with France and Spain, offers her a ship in exchange for her service in harassing the enemy.