"For twelve years, the dread fortress of Azkaban held an infamous prisoner named Sirius Black. Convicted of killing thirteen people with a single curse, he was said to be the heir apparent to the Dark Lord, Voldemort. Now he has escaped, leaving only two clues as to where he might be headed: Harry Potter's defeat of You-Know-Who was Black's downfall as well. And the Azkaban guards heard Black muttering in his sleep, "He's at Hogwarts." Harry Potter...

Deep in the heart of the forest, four clans of warrior cats coexist in uneasy harmony -- but uncertain times are upon them, and dangers threaten the precarious balance of the forest.Fireheart is a ThunderClan warrior cat now, but his troubles are far from over. As the chill of winter sets in, the cats of rival RiverClan grow restless, while WindClan is weak and facing threats from all sides.As tensions build to an explosive climax, Fireheart faces...

When King Jaron returned to Carthya he brought with him a device that supposedly shows the way to a great treasure, but now everything is going wrong: Castor, the son of an old enemy, is conspiring against him and wants the throne for himself, his fiancée, Imogen, seems to have turned against him, and the Prozarian Monarch has invaded his kingdom and taken Jaron's castle--but Jaron has a lot of experience at hiding and escaping, and he is not willing...

After Marco's betrayal, Jack McKinley and his friends must face their own demons and engage in a battle with foes long gone.