"The Dark World is a place of ice, wind, and fury. A veil of black covers the sky. In all the world, only the Castle shines with light..."

A girl's quest to find her father leads her to an extended family of magical fighting booksellers who police the mythical Old World of England when it intrudes on the modern world. From the bestselling master of teen fantasy, Garth Nix. In a slightly alternate London in 1983, Susan Arkshaw is looking for her father, a man she has never met. Crime boss Frank Thringley might be able to help her, but Susan doesn't get time to ask Frank any questions....

Seventh-grader Arthur Penhaligon returns to the parallel universe known as the House to fight his latest enemy, Grim Tuesday, whose greed threatens to destroy both the House and the Earth

Princess Anya has a big problem: Duke Rikard, her step-stepfather is an evil wizard who wants to rule the kingdom and has a habit of changing people into frogs, and her older sister Morven, the heir, is a wimp--so with the help of the librarian Gotfried (who turns into an owl when he is upset), and the Royal Dogs, she must find away to defeat Rikard, save her sister, and maybe even turn Prince Denholm back into a human being.

Liliath is one of the greatest practitioners of angelic magic to have ever lived, summoning angels and forcing them to do her bidding. More than a century has passed since she crept into the empty sarcophagus of Saint Marguerite, fleeing the Fall of Ystara. She emerges from her magical sleep still beautiful, looking no more than nineteen, and determined to be united with her lover, Palleniel, the archangel of Ystara. Most of the inhabitants of Ystara...