Part unicorn, part mermaid, and totally magical! Don’t miss this exciting new chapter book series from the author of the popular Purrmaids series! Mermicorns Sirena and Lily are learning amazing magic at school. When they take a field trip to the library, they learn how to make things disappear! Sirena is excited to try some new spells. But turning invisible isn’t just fun . . . it’s dangerous! Especially when you don’t read all the rules first. Are the two friends ready for such powerful magic?