Uncovering an ancient evil, Serafina, a mermaid of the Mediterranean Sea, searches for five other mermaid heroines who are scattered across the six seas, to save their hidden world.

"When wasps come to Steve in a dream offering to fix his sick baby brother, he thinks all he has to do is say yes. But yes may not mean what Steve thinks it means"--

"Alice Dean's destiny is intertwined with Tom Ward's. But he's going to be the next Spook, and she's a witch--possibly the most powerful one the county has ever seen. To rid the world of its greatest evil, the Fiend, Alice will venture into the depths of the dark"--

Twins Sarah and Sylvia Price, two monsters in disguise at Lovecraft Middle School, are campaigning for student council with a secret plan to abduct the entire seventh grade, and Robert Arthur and his strange friends must stop their evil plot.

When he receives a wrinkled, green shrunken head as a gift from his aunt, Mark cannot wait to show the gruesome object to his friends at school, but when night falls, the head begins to glow, and Mark is given a strange power.

In 1687 in Connecticut, Kit Tyler, feeling out of place in the Puritan household of her aunt, befriends an old woman considered a witch by the community and suddenly finds herself standing trial for witchcraft.

When Audra is imprisoned by Raiden and the Stormers she is forced to sever the bond between her and Vane, while Vane, frantic that he is losing her, can only turn to former enemies to rescue Audra.

When his uncle sends him to work at the mysterious Stallery Mansion, twelve-year-old Conrad Tesdinic overcomes his bad karma and discovers in the mansion's winecellar the source of the magic that threatens to pull his world into one of the eleven other parallel universes.

While stuck in the school during a blizzard, Robert Arthur and his companions face off against an evil substitute teacher and an army of beasts.

Two powerful young enchanters, Cat, the future Chrestomanci, and Marianne, who is being trained to be Gammer of the Pinhoes, work together as friends to try to end an illegal witches' war and, in the process, right some old wrongs.