Noll Amanda

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? And who could need Gabe more than Ethan does? Gabe must have gone to Ethan's little sister's room! She has...