Spell Sweeper by Lee Edward Födi

Most students at Dragonsong Academy spend their days practising spells and wielding wands, but after flunking her sixth-grade standardized tests, Cara Moone is on the fast track to becoming a MOP (a.k.a. Magical Occurrence Purger). See, when a real wizard casts a spell, it leaves behind a residue called spell dust—which can be dangerous if not disposed of properly. It’s a MOP’s job to clean up the mess. And no one makes more of a mess than Dragonsong Academy’s star student, Harlee. Widely believed to be… Read more.