Book Series · 2 Books

Leonardo the Terrible Monster Books

In order from Leonardo, the Terrible Monster to Sam, the Most Scaredy-Cat Kid in the Whole World.

The Leonardo the Terrible Monster series is a set of 2 picture books by Mo Willems, published between 2005 and 2017. Written for ages 3–5, most books run about 50 pages.

Sam, the Most Scaredy-Cat Kid in the Whole World

Where the story begins

First Book in the Series

Sale price

$1697

Book #1 · Picture Book · Ages 3–5 · 2005

Leonardo, the Terrible Monster

By Mo Willems

A monster fails at scaring and discovers friendship instead.

48 pages· 230 words· Est. 2 min read-aloud

4.5/7 Bookroo

$17.99Save 6%

Hardcover

Summary: Leonardo is a monster who can't scare anyone, no matter how hard he tries. After intense training, he finally frightens a nervous boy, but the victory feels hollow. Realizing that being a monster isn't fulfilling, Leonardo wonders if he could be a better friend instead. Can he transform his monstrous nature into something more meaningful?

In reading order

Leonardo the Terrible Monster Series

2 books · Published 2005–2017

#1 in Series

Sale price

$1697

Leonardo, the Terrible Monster

Picture Book · Ages 3–5 · 2005

A monster fails at scaring and discovers friendship instead.

#2 in Series

Sale price

$1697

Sam, the Most Scaredy-Cat Kid in the Whole World

Picture Book · Ages 3–5 · 2017

Two scared kids discover each other. Can they overcome their fears together?

Good to know

Common Questions

How many books are in the Leonardo the Terrible Monster series?

There are 2 books in the Leonardo the Terrible Monster series. It began with Leonardo, the Terrible Monster in 2005, and the newest book, Sam, the Most Scaredy-Cat Kid in the Whole World, was published in 2017.