For Grace and her four best friends, magic is just harmless fun—until it's not...

Things have gone wrong for Grace, Jenny, Rachel, Adie, and Una. Very wrong. A freak snowstorm stranded the whole school, the history teacher's gone bonkers, and their notebook has taken on a diabolical life of its own, bringing all of their previously failed spells to life. At first the girls are thrilled to see their magic finally working.

But the spells are botched and people might get hurt and Una's not acting quite right...

Can the girls stop the madness before the demon notebook works through their list of spells, slowly creeping towards the last, truly awful spell that they didn't really want to happen?

Winner of the Waverton Good Read Children's Award for best debut novel.