Book Series · 4 Books

The Area 51 Files Books

In order from The Area 51 Files to Way Off Base.

The Area 51 Files series is a set of 4 chapter books by Julie Buxbaum, published between 2022 and 2025. Written for ages 8–12, most books run about 270 pages.

The Area 51 Files
The Big Flush
Friend or UFO
Way Off Base
The Area 51 Files
Where the story begins

First Book in the Series

The Area 51 Files
Sale price
$1398
Book #1 · Chapter Book · Ages 8–12 · 2022

The Area 51 Files

By Julie Buxbaum, Lavanya Naidu (Illustrator)

Aliens vanish at Area 51. Can Sky solve the mystery before time runs out?

304 pages· 40,504 words· Est. 5.5 hour read
$14.99Save 7%
Hardcover
Summary: Sky Patel-Baum's new home at Area 51 is full of secrets and aliens, known as Break Throughs. When some disappear, suspicion falls on Sky and her uncle. With her hedgehog Spike and new friends Elvis and Pickles, Sky must unravel the mystery before it's too late. Why are the Break Throughs missing, and what's with the eyeball macaroni? The clock is ticking in this hilarious adventure.
In reading order

The Area 51 Files Series

4 books · Published 2022–2025

#1
Sale price
$1398

The Area 51 Files

Chapter Book · Ages 8–12 · 2022

Aliens vanish at Area 51. Can Sky solve the mystery before time runs out?

The Big Flush
Series
Graphic Nov.
Sale price
$1398

The Big Flush

Chapter Book · Ages 8–12 · 2023

A space toilet threatens Area 51. Can Sky and friends stop the traitor before chaos ensues?

Sale price
$1398

Friend or UFO

Chapter Book · Ages 8–12 · 2024

Sky must find Area 52 to rescue her kidnapped grandmother.

Sale price
$1398

Way Off Base

Chapter Book · Ages 8–12 · 2025

A missing UFO threatens to expose Area 51's secrets. Can they solve the mystery in time?

Good to know

Common Questions

How many books are in the Area 51 Files series?

There are 4 books in the Area 51 Files series. It began with The Area 51 Files in 2022, and the newest book, Way Off Base, was published in 2025.

What order should you read the Area 51 Files books in?

Start with The Area 51 Files and follow the series order — the books above are numbered #1 through #4.

What ages are the Area 51 Files books best for?

The series is best for ages 8–12, based on the age ranges of the individual books.

The people

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The people who bring The Area 51 Files to life.

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