Ruby and the noisy hippo
Helen Stephens
Noisy Hippo is so loud that Ruby does not want him to accompany her to the candy store, but when his loudness saves her from a monster she decides that sometimes it is okay to be noisy.

by Tony Ross (2012)
After eating all the planets in outer space, a horrible monster gets a big surprise when it comes to Earth and tries to capture a little boy.
Helen Stephens
Noisy Hippo is so loud that Ruby does not want him to accompany her to the candy store, but when his loudness saves her from a monster she decides that sometimes it is okay to be noisy.
Benjamin & Susan Hemme
Ben is afraid of monsters when he goes to bed, until the day his parents give him Zimbobo, his new protector from monsters.
it's written and
Describes the various characteristics of monsters, such as how much they need to eat to feel full and how some of them can juggle.
written and
Everywhere Loula goes, her beloved dog, Mister, follows. Unfortunately, Mister does not follow her good manners. When she hears her mother say she can no longer live with that MONSTER, Loula decides it's time to teach an old dog polite tricks. Can Mister learn to behave? Or will Mama throw him and his monstrous manners out?