"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...

With her adventurous sister, Meryl, suffering from the the Gray Death, meek and timid Princess Addie sets out to find a cure.

When Charmain is asked to housesit for Great Uncle William, the Royal Wizard of Norland, she is ecstatic to get away from her parents, but finds that his house is much more than it seems.

Bored with traditional palace life, a princess goes off to live with a group of dragons and soon becomes involved with fighting against some disreputable wizards who want to stealaway the dragon's kingdom.

Connwaer, the young thief-turned-wizard's apprentice, escapes from prison and follows the call of magic to the distant and mysterious Dragon Mountain on a quest to save Wellmet from Arhionvar, dread magic that can destroy the city.

Apprentice Septimus Heap must enter the Darke to save the Castle and the Wizard Tower from destruction, but he needs the help of many to battle the spreading Darkenesse.

Young wizard's apprentice Connwaer travels to the city of Desh to find the source of the malevolent shadowmen who are plaguing Wellmet City.

Septimus must battle the remnants of the Dark Domaine, which will remain until the power of the evil Two-Faced Ring is destroyed forever. To accomplish that, the ancient Alchemie Fyre must be relit -- a task that sends Septimus to the very origins of Magyk and Physik, testing both his skills, and his loyalties to ExtraOrdinary Wizard, Marcia Overstrand, and Alchemist Marcellus Pye.

Queen Cimorene sends her sixteen-year-old son Daystar into the Enchanted Forest with the only weapon that can combat an evil wizard's magic in an effort to restore the balance of power in the kingdom.

Twelve-year-old Fin, a master thief from the pirate world of Khaznot Quay, and Marrill, also twelve, of Arizona, cross paths in the magical world of the Pirate Stream while on a quest for a mysterious map.