Hey, That's My Monster!

When Ethan looks under the bed for his monster, he finds this note instead: So long, kid. Gotta go. Someone needs me more than you do. Gabe
How will Ethan ever get to sleep without his monster’s familiar, comforting snorts? Gabe must have gone to Ethan’s little sister’s room! Ethan tries to help his sister find her own perfect monster, but she thinks these freaky-funny monsters are perfect playmates! Just when it seems that Ethan will lose his monster forever, an uninvited, tutu-toting little monster full of frightening fun appears. Could she be the best monster-match for Ethan s sister, and will Ethan get Gabe back for good