A spectacular new middle-grade fantasy series from NYT best-selling authors Garth Nix and Sean Williams, in which two twins find that they must act as wards against a threatening evil. The Evil has been trying to break into our dimension and dominate the earth for centuries. Unbeknownst to most of us, there are Wardens all over the globe, who protect humanity from the Evil that asserts itself at the Portals, which are the only places through which the Evil may pass into our world.

More than a century has passed since Liliath crept into the empty sarcophagus of Saint Marguerite, fleeing the Fall of Ystara. But she emerges from her magical sleep still beautiful, looking no more than 19, and once again renews her single-minded quest to be united with her lover, Palleniel, the archangel of Ystara. A seemingly impossible quest, but Liliath is one of the greatest practitioners of angelic magic to have ever lived, a genius at making icons to summon angels, and supremely adept in forcing them to do her bidding.

Stephanie's uncle Gordon is a writer of horror fiction. But when he dies and leaves her his estate, Stephanie learns that, while he may have written horror, it certainly wasn't fiction. Pursued by evil forces intent on recovering a mysterious key, Stephanie finds help from an unusual source, the wisecracking skeleton of a dead wizard.

The swashbuckling first book in an explosive new series. Imagine if you lost your parents - not just in place, but in time. Jake Djones' mum and dad have gone missing and they could be anywhere in the world - at any time in history. Because the Djones family have an astonishing secret, which for years they've managed to keep - even from each other. They belong to the History Keepers: a secret society which travels through the centuries to prevent evil enemies from meddling with history itself.

For more than fifty years, the country has been affected by a horrifying epidemic of ghosts. A number of Psychic Investigations Agencies have sprung up to destroy the dangerous apparitions. Lucy Carlyle, a talented young agent, arrives in London hoping for a notable career. Instead she finds herself joining the smallest most ramshackle agency in the city, run by the charismatic Anthony Lockwood.