book review The Bed Monster's

I read this story and I feel that I envy him, because I also want a clever monster.
This story is that. There is a small boy. Under his bed, a monster lives.
He ｈas never seen the monster because he scare it. He can't sleep well because of the monster's voices, so he cannot help sleeping during his class. The teacher is always scolding him. He determined that he catch the monster. He builds a trap to catch the monster. After that, he found out that the monster is so small, but the monster is so clever. He decided that I always bring the monster in my pocket and improve my academic skills. Thus he became the cleverest in the school.
I also want to clever....（128 words）