Unlikely Truce by Lillian Hudson (books recommended by bts txt) 📕

Lillian Hudson is a 12 year old shape shifter. In reality, she's live thousands of years, but right now, she is in a 12 year old form. One day, in her room, a vampire and a werewolf pop in and ask her for her help. They are all equal mortal enemies, but now, Lillian can't think.