There's No Such Thing as Monsters! by Steve Smallman (author) (US edition)

Little Bear has a scary monster under his bed. Great fun if you have one under your bed too. Little Bear is super excited. He’s going to sleep in his very own bedroom for the first time ever. But without his big brother there, Little Bear’s new bedroom seems a bit scary. It’s full of strange shadows and noises. He’s sure there’s a monster that wants to EAT him. His brother, Big Bear, says he’s being silly. After all, monsters don’t exist – do they? Read this funny, cosy story to find out, and to feel snug and safe in your own bed.