Too Many Spells — Jane Tesh

Part One: Spell Checked. Mel Worthington, newly crowned king of Eldenfair, is still learning how to handle all the fairy tale mishaps and keep Convention going. But when a mysterious computer virus attacks, he has to depend on a rebellious young sorceress and a Goth teen from Earth for help. A larger problem presents itself in the form of the Cavern-born, evil creatures bent on conquest, who are determined to keep Mel's spells in check. Part Two: Spellbound. Spring Light, the little fairy Mel thought had died when she went over the edge to Earth, has returned as Stella, a self-assured young woman and self-styled Internet Influencer. Before long, Stella has convinced the fae they should cross the barrier to Earth. To combat Stells'a evil agenda, Mel attempts a difficult spell that separates his human and magic selves, a spell that has dire consequences for everyone.