Saving the world is a test no school of magic can prepare you for in the triumphant conclusion to the Sunday Times bestselling trilogy that began with A Deadly Education and The Last Graduate.The one thing you never talk about while you're in the Scholomance is what you'll do when you get out - not even the richest enclaver would tempt fate that way.But that impossible dream has somehow come true for El and her classmates. And what's more, she didn't even have to become the monstrous dark witch ...