Why is this not more popular? I encountered it in the waiting room of my son's optometrist. I love that the boy is brave enough to seek out the monsters' home, and clever enough to find a way to scare them with shadow puppets. The epilogue is extra comforting as Oliver and the monsters all make friends back in his bedroom later.

I will look for more by the author. ( )

Oliver's monster keep him awake at night so he goes to their house and scares them while they are sleeping. The monsters promise to leave Oliver alone but they end up breaking their promise as they always do.
1 book

The monsters are keeping Oliver awake so he finds them to tell them to stop. They promise to stop but of course monsters never keep their promises! ( )