Book Series · 6 Books

The Worst Books

In order from Yetis Are the Worst! to Valentines Are the Worst!.

The Worst series is a set of 6 picture books by Alex Willan, published between 2015 and 2025. Written for ages 4–12, most books run about 40 pages.

Yetis Are the Worst!
Elves Are the Worst!
The Worst Class Trip Ever
The Worst Night Ever
Mermaids Are the Worst!
Where the story begins

First Book in the Series

Yetis Are the Worst!
Sale price
$1797
Book #3 · Picture Book · Ages 4–8 · 2022

Yetis Are the Worst!

By Alex Willan

A goblin's quest to find a yeti reveals unexpected truths in the frozen tundra.

40 pages· 465 words· Est. 4 min read-aloud
$18.99Save 5%
Hardcover
In reading order

The Worst Series

6 books · Published 2015–2025

#3
#3 in Series
Sale price
$1797

Yetis Are the Worst!

Picture Book · Ages 4–8 · 2022

A goblin's quest to find a yeti reveals unexpected truths in the frozen tundra.

#4

Elves Are the Worst!

Picture Book · Ages 4–8 · 2023

A goblin infiltrates Santa's workshop to outwork the elves. Can he succeed?

The Worst Class Trip Ever

Chapter Book · Ages 8–12 · 2015

Middle schoolers' trip to D.C. spirals into chaos with a potential threat to the president.

The Worst Night Ever

Chapter Book · Ages 9–12 · 2016

A missing ferret leads to a high school party with a deadly secret.

Mermaids Are the Worst!

Picture Book · Ages 4–8 · 2025

A goblin's vacation turns chaotic when mermaids crash the party. Can peace be restored?

Sale price
$1899

Valentines Are the Worst!

Picture Book · Ages 4–8 · 2025

A goblin dodges cupids' arrows, questioning if love can be avoided.

Good to know

Common Questions

How many books are in the Worst series?

There are 6 books in the Worst series. It began with Yetis Are the Worst! in 2022, and the newest book, Valentines Are the Worst!, was published in 2025.

What order should you read the Worst books in?

Start with Yetis Are the Worst! and follow the series order — the books above are numbered #1 through #6.

What ages are the Worst books best for?

The series is best for ages 4–12, based on the age ranges of the individual books.

The people

The Creatives Behind the Books

The people who bring The Worst to life.

01

Alex Willan

Author & Illustrator
02

Dave Barry

Author
03

Jon Cannell

Illustrator

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