When Cass learns she had a grandmother who has just died and left her and her mother the first house they could call their own, she is full of questions. Who was this relative? And what is the unusual mask, forgotten in a drawer, trying to tell her? Strange dreams, strange voices, and strange incidents all lead Cass closer to solving the mystery.
In this illustrated middle-grade novel and second book in the Tank & Fizz series, a goblin detective and a technology-tinkering troll must dodge battle bots and spellbooks to prevent the return of an ancient demon.