Book Series · 3 Books

Mostly Ghostly Books

In order from Who Let the Ghosts Out? to Don't Close Your Eyes!.

The Mostly Ghostly series is a set of 3 chapter books by R.L. Stine, published between 2004 and 2006. Written for ages 7–12, most books run about 140 pages.

Who Let the Ghosts Out?
Don't Close Your Eyes!
Who Let the Ghosts Out?
Don't Close Your Eyes!
Who Let the Ghosts Out?
Where the story begins

First Book in the Series

Who Let the Ghosts Out?
Sale price
$695
Book #1 · Chapter Book · Ages 8–11 · 2004

Who Let the Ghosts Out?

By R.L. Stine

A boy is haunted by friendly ghosts and pursued by an evil spirit.

144 pages· 23,212 words· Est. 3 hour read
Hardcover
Summary: Max's life turns upside down when two ghostly children, Nicky and Tara, invade his closet, claiming his room as their own. As they follow him to school, using their invisibility to cause chaos, Max faces embarrassment and confusion. But the real threat is Phears, a sinister spirit with a terrifying agenda. Can Max navigate this spectral chaos and uncover the truth behind these hauntings before it's too late? Discover a world where the line between friend and foe blurs, and every shadow hides a secret.
In reading order

Mostly Ghostly Series

3 books · Published 2004–2006

#1
#1 in Series
Sale price
$695

Who Let the Ghosts Out?

Chapter Book · Ages 8–11 · 2004

A boy is haunted by friendly ghosts and pursued by an evil spirit.

#4

Little Camp of Horrors

Chapter Book · Ages 7–10 · 2005

A summer at Camp Snake Lake pits Max against ghosts, snakes, and a dark secret.

#8

Don't Close Your Eyes!

Chapter Book · Ages 8–12 · 2006

Max must stay awake to prevent a ghostly takeover that threatens his friends' lives.

Good to know

Common Questions

How many books are in the Mostly Ghostly series?

There are 3 books in the Mostly Ghostly series. It began with Who Let the Ghosts Out? in 2004, and the newest book, Don't Close Your Eyes!, was published in 2006.

What order should you read the Mostly Ghostly books in?

Start with Who Let the Ghosts Out? and follow the series order — the books above are numbered #1 through #3.

What ages are the Mostly Ghostly books best for?

The series is best for ages 7–12, based on the age ranges of the individual books.

Which Mostly Ghostly book is the longest?

Who Let the Ghosts Out? (Book #1) is the longest book in the series at 23,212 words (144 pages).

Which Mostly Ghostly book is the shortest?

Don't Close Your Eyes! (Book #8) is the shortest at 19,734 words (144 pages).

The people

The Creative Behind the Books

The authors and illustrators who bring Mostly Ghostly to life.

01

R.L. Stine

Author

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