After the Worldquake, Effie knows about magic – time in her grandfather’s library has made sure of that. But there’s still much she has to learn. About the Otherworld.

And about the Diberi, a secret organisation with plans to destroy the entire universe. Effie and her school-friends are the only ones who can stop them . . . and time is running out.

When Effie and Maximilian both mysteriously vanish, friends Raven, Lexy and Wolf don’t know where to turn for help. Effie is in deep danger and she’s running out of time. To make things worse, Raven’s mother is caught up in a plot with the ruthless billionaire Albion Freake, who will stop at nothing to become invincible.

Can the school-friends save Effie and Maximilian and stop Albion Freake’s deadly plan, before it’s too late?

Effie Truelove and her school-friends Lexy, Wolf, Maximilian and Raven must use their magical skills to defeat the Diberi, a corrupt organisation intent on destroying the worlds at Midwinter. But during a visit to the Otherworld, Effie is mistaken and imprisoned for being a galloglass – a dangerous, selfish islander. Meanwhile, Lexy is threatened by the vile professor Jupiter Peacock and Wolf embarks on a perilous journey to find his missing sister.

And back at school, Neptune the cat is bored. He’s used to lording it over the other stray cats, but they’ve all mysteriously vanished. Where could they be – and how will he find them?Can Effie and her friends reunite before total destruction is wreaked upon the universe?