Meet all 217 cats
Begin with Katie the Catsitter to see how Katie gets the job and why she starts questioning whether her neighbor is really a villain.
Book Series · 4 Books
Katie the Catsitter Books
In order from Katie the Catsitter to The Purrfect Plan.
A funny, bighearted graphic-novel series about friendship, superheroes, New York City, and 217 cats with an astonishing range of skills.
Reviewed by the Bookroo Editors Updated
Reading order
How to Read the Katie the Catsitter Books
Read the five graphic novels in publication order, beginning with Katie the Catsitter and continuing through Villain Con. Katie's friendships, sidekick training, and changing ideas about heroes and villains develop from one book to the next.
The boxed sets collect books already in this sequence and are not additional stories. Villain Con was published June 30, 2026 and is the current fifth volume.
Sources: Penguin Random House's official Katie the Catsitter series page, Penguin Random House's official Villain Con page.
For parents
What Parents Should Know
Alongside the superhero fun, Katie deals with limited family money, changing friendships, jealousy, school stress, and the fear of being left behind. The series treats these feelings warmly and shows that friendships can grow through honest conversation and change.
The action includes supervillains, robots, citywide threats, secret identities, and cartoon battles. The cats and jokes keep the danger light, with no graphic violence.
Where to start
Where to Start
Where the story begins
First Book in the Series
Graphic Nov.
Sale price
$2089
Book #1 · Chapter Book · Ages 8–12 · 2021
Katie the Catsitter
By Colleen AF Venable, Stephanie Yue (Illustrator)
Katie's summer turns wild with 217 cats and a mysterious neighbor. Is she a super villain?
224 pages· 9,235 words· Est. 1.5 hour read
$21.99Save 5%
Hardcover
Summary: Katie faces a dull summer until she lands a job catsitting for her enigmatic neighbor, Madeline, who owns 217 peculiar cats. As Katie juggles feline chaos, she notices Madeline's suspicious absences coinciding with city crimes. Could her neighbor be a super villain? Meanwhile, Katie struggles to save her friendship with Beth, who seems distant and preoccupied. With camp dreams on the line, Katie must navigate a whirlwind of cats, friendship woes, and a potential criminal mystery. Can she uncover the truth and become a hero in her own right?
In reading order
Katie the Catsitter Series
4 books · Published 2021–2024
#1
#1 in Series
Graphic Nov.
Sale price
$2089
Katie the Catsitter
Chapter Book · Ages 8–12 · 2021
Katie's summer turns wild with 217 cats and a mysterious neighbor. Is she a super villain?
#2
#2 in Series
Graphic Nov.
Sale price
$2089
Best Friends for Never
Chapter Book · Ages 9–12 · 2022
Katie must clear a hero's name and uncover a villain with the help of 217 cats.
#3
#3 in Series
Graphic Nov.
Sale price
$2089
Secrets and Sidekicks
Chapter Book · Ages 8–12 · 2023
Katie faces sidekick rivalry, friendship drama, and giant robots. Can she and her cats save the city?
#4
#4 in Series
Graphic Nov.
Sale price
$1348
The Purrfect Plan
Chapter Book · Ages 8–11 · 2024
A city in peril, a secret plan, and 217 cats. Can Katie save the day?
Good to know
Common Questions
How many books are in the Katie the Catsitter series?
There are 4 books in the Katie the Catsitter series. It began with Katie the Catsitter in 2021, and the newest book, The Purrfect Plan, was published in 2024.
What order should you read the Katie the Catsitter books in?
Start with Katie the Catsitter and follow the series order — the books above are numbered #1 through #4.
What ages are the Katie the Catsitter books best for?
The series is best for ages 8–12, based on the age ranges of the individual books.
Which Katie the Catsitter book is the longest?
Secrets and Sidekicks (Book #3) is the longest book in the series at 11,438 words (218 pages).
Which Katie the Catsitter book is the shortest?
Katie the Catsitter (Book #1) is the shortest at 9,235 words (224 pages).
The people
The Creatives Behind the Books
The people who bring Katie the Catsitter to life.
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