Book Series · 3 Books

The Finniverse Books

In order from Finn and the Intergalactic Lunchbox to Finn and the Subatomic Slip-And-Slide.

Finn and the Intergalactic Lunchbox
Finn and the Time-Traveling Pajamas
Finn and the Subatomic Slip-And-Slide
Finn and the Intergalactic Lunchbox
Finn and the Time-Traveling Pajamas
Where the story begins

First Book in the Series

Finn and the Intergalactic Lunchbox
Sale price
$858
Book #1 · Chapter Book · Ages 10–13 · 2020

Finn and the Intergalactic Lunchbox

By Michael Buckley

A boy's lunchbox holds the universe's most dangerous weapon. Can he and his friends stop the alien bugs from destroying Earth?

288 pages· 51,638 words· Est. 6 hour read
5.3/7 Bookroo
$8.99Save 5%
Paperback
Summary: Finn Foley's ordinary lunchbox unleashes chaos when it reveals a powerful device that attracts the deadly Plague, a race of giant bugs. With a robot ally and a motley crew including a bully, a cool classmate, and his unicorn-loving sister, Finn must navigate cosmic wormholes and battle to save the world. Can this unlikely team unite against the Plague's relentless pursuit, or will the universe's most dangerous weapon fall into the wrong hands? Adventure and danger await as they race against time.
In reading order

The Finniverse Series

3 books · Published 2020–2022

#1
#1 in Series
Sale price
$858

Finn and the Intergalactic Lunchbox

Chapter Book · Ages 10–13 · 2020

A boy's lunchbox holds the universe's most dangerous weapon. Can he and his friends stop the alien bugs from destroying Earth?

#2

Finn and the Time-Traveling Pajamas

Chapter Book · Ages 10–12 · 2021

Time-traveling kids face malfunctioning gear and a mysterious illness. Can they save their friend and find Finn's father?

#3
Sale price
$1597

Finn and the Subatomic Slip-And-Slide

Chapter Book · Ages 9–12 · 2022

Finn must save Earth from giant bugs and restore time, but his friends don't remember him.

Good to know

Common Questions

How many books are in the Finniverse series?

There are 3 books in the Finniverse series. It began with Finn and the Intergalactic Lunchbox in 2020, and the newest book, Finn and the Subatomic Slip-And-Slide, was published in 2022.

What order should you read the Finniverse books in?

Start with Finn and the Intergalactic Lunchbox and follow the series order — the books above are numbered #1 through #3.

What ages are the Finniverse books best for?

The series is best for ages 9–13, based on the age ranges of the individual books.

The people

The Creative Behind the Books

The authors and illustrators who bring The Finniverse to life.

01

Michael Buckley

Author

Keep exploring

Similar Series

The Search for WondLa

WondLa

Ages 10–14
My Teacher Is an Alien

My Teacher Is an Alien

Ages 8–12
The Wishmakers

Wishmakers

Ages 8–12
Peter and the Starcatchers

Peter and the Starcatchers

Ages 9–12
The Adventurer's Guide to Successful Escapes

The Adventurer's Guide

Ages 8–12
Half Upon a Time

Half Upon a Time

Ages 8–12
Emperor of the Universe

Emperor of the Universe

Ages 9–12
The Bad Beginning

A Series of Unfortunate Events

Ages 8–12

Bookroo

  • About Us
  • Blog
  • FAQs
  • Help Center
  • Contact Us
  • Affiliates

Book Clubs

Follow Bookroo