On the fourth day there was war. Following their adventures in the Border Sea, Arthur and Leaf head for home. But only Leaf gets through the Front Door. Arthur is blocked because someone or something has assumed his identity and is taking over his life. Before Arthur can take action, he is drafted by Sir Thursday and forced to join the Glorious Army of the Architect. While Leaf tries to banish Arthur's doppelganger on earth, Arthur must survive his...

When Princess Jenna is pursued by a dark wizard, it is the apprentice, Septimus Heap, who must save her while enduring such terrors as a night in the Forest with hungry wolverines and carnivorous trees.

Despite their best efforts, Carter and Sade Kane can't seem to keep Apophis, the chaos snake, down. Their only hope: find an ancient spell that might turn the serpent's own shadow into a weapon.

When Kendra and Seth go to stay at their grandparents' estate, they discover that it is a sanctuary for magical creatures and that a battle between good and evil is looming.

On a vacation with their mother and stepfather, Jane, Mark, Katharine, and Martha find themselves overwhelmed with a lakeful of magical adventures after Mark captures an ancient turtle that seems to have extraordinary powers.

Having jumped into Luster, the land of unicorns, Cara makes a perilous journey to bring back her grandmother, The Wanderer, in order to release the Queen of the unicorns and allow her to die.

Briar, a young mage-in-training, and his teacher Rosethorn must use their magic to fight a deadly plague that is ravaging Summersea.

Four of the seven Trustees have been defeated and their Keys taken, but for Arthur, the week is still getting worse. Suzy Blue and Fred Gold Numbers have been captured by the Piper, and his New Nithling army still controls most of the Great Maze. Superior Saturday is causing trouble wherever she can, including turning off all the elevators in the House and blocking the Front Door. Amidst all this trouble, Arthur must weigh an offer from Lady Friday...

Residents of the island of Starns send for help from Winding Circle temple, and when prickly green mage Rosethorn and young stone mage trainee Evvy respond, Evvy finds that the problem is with a long-dormant volcano and tries to use her talents to avert the looming destruction.

In this fifth book in the Magykal series, Septimus ends up on a captivatingly beautiful island, one of seven set in a sparkling sea. He's stranded there with his badly injured dragon, Spit Fyre, along with Jenna and Beetle. There are some strange things about the island, including a Magykal girl named Syrah, a cat-shaped lighthouse that has lost its Light, and an eerie presence that sings to Septimus-can he escape the persistent call? Trouble is also...