Book Series · 10 Books

InvestiGators Books

In order from InvestiGators to Case Files.

The InvestiGators series is a set of 10 graphic novels by John Patrick Green, published between 2020 and 2025. Written for ages 7–12, most books run about 210 pages. Subjects across the series include funny and humorous, mystery and detective, and comics and graphic novels.

Where the story begins

First Book in the Series

Graphic Nov.

Sale price

$1248

Book #1 · Chapter Book · Ages 7–10 · 2020

InvestiGators

By John Patrick Green

A group of alligator investigators solve a mystery involving a missing chef, a stolen scientific invention, and a triceratops escape artist.

208 pages· 8,763 words· Est. 1.5 hour read

$12.99Save 4%

Hardcover

Summary: Join Mango and Brash, the alligator duo of the Special Undercover Investigation Teams, as they dive into the sewers to solve two perplexing mysteries. Armed with quirky gadgets and unconventional travel methods, these agents face off against cunning villains. Can they piece together the clues and capture the crooks, or will their slippery foes escape? With humor and unexpected twists, this adventure promises a wild ride through the underbelly of crime-fighting.

In reading order

InvestiGators Series

10 books · Published 2020–2025

#1 in Series

Graphic Nov.

Sale price

$1248

InvestiGators

Chapter Book · Ages 7–10 · 2020

A group of alligator investigators solve a mystery involving a missing chef, a stolen scientific invention, and a triceratops escape artist.

#2 in Series

Graphic Nov.

Sale price

$1248

Take the Plunge

Chapter Book · Ages 7–9 · 2020

Secret agents face a sewer sabotage. Can they clear their names before the city sinks?

#3 in Series

Graphic Nov.

Sale price

$1248

Off the Hook

Chapter Book · Ages 7–10 · 2021

A secret agent must stop a villainous waffle from taking over the city.

#4 in Series

Graphic Nov.

Sale price

$1248

Ants in Our P.A.N.T.S.

Chapter Book · Ages 7–10 · 2021

Can Mango and RoboBrash stop rampaging giant ants and outsmart villainous masterminds?

#5 in Series

Graphic Nov.

Sale price

$1248

Braver and Boulder

Chapter Book · Ages 7–9 · 2022

Secret agents face a towering challenge and a rocky mystery beneath the surface.

#6 in Series

Graphic Nov.

Sale price

$1248

Heist and Seek

Chapter Book · Ages 7–10 · 2022

A group of investigators try to solve a mystery involving stolen paintings and a museum gala.

#7 in Series

Graphic Nov.

Sale price

$1248

All Tide Up

Chapter Book · Ages 7–10 · 2023

A group of investigators try to solve the mystery of a missing cruise ship and its passengers.

#8 in Series

Graphic Nov.

Sale price

$1248

Class Action

Chapter Book · Ages 8–12 · 2024

Alligator agents go undercover in middle school to solve a mascot mystery.

#9 in Series

Graphic Nov.

Sale price

$1248

Case Files

Chapter Book · Ages 7–10 · 2025

Join agents on a quest to crack six new mysteries with interactive sleuthing.

#10

#10 in Series

Graphic Nov.

Sale price

$1248

Weather or Not

Chapter Book · Ages 7–10

City's water turns to milk. Can the InvestiGators solve the mystery?

Companion series

Agents of S.U.I.T. Series

4 books · Published 2023–2026

#1 in Series

Graphic Nov.

Sale price

$1049

Agents of S.U.I.T.

Picture Book · Ages 7–10 · 2023

A chameleon agent must solve a mystery involving crop circles and aliens.

#2 in Series

Graphic Nov.

Sale price

$1248

From Badger to Worse

Chapter Book · Ages 7–9 · 2024

Bumbling agents uncover secrets beneath tropical sands. Can they solve the case without their gadgets?

#3 in Series

Graphic Nov.

Sale price

$1248

Wild Ghost Chase

Chapter Book · Ages 7–10 · 2025

A ghostly mystery haunts S.U.I.T. agents. Can they solve it before it's too late?

#4 in Series

Graphic Nov.

Sale price

$1248

Sew Much Trouble

Chapter Book · Ages 7–10 · 2026

A stolen food truck, secret sauce, and a team divided. Can they solve the mystery?

Good to know

Common Questions

How many books are in the InvestiGators series?

There are 10 books in the InvestiGators series. It began with InvestiGators in 2020, and the newest book, Case Files, was published in 2025.

What order should you read the InvestiGators books in?

Start with InvestiGators and follow the series order — the books above are numbered #1 through #10.

What ages are the InvestiGators books best for?

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

Which InvestiGators book is the longest?

Case Files (Book #9) is the longest book in the series at 11,312 words (208 pages).

Which InvestiGators book is the shortest?

Off the Hook (Book #3) is the shortest at 8,739 words (208 pages).

The people

The Creative Behind the Books

The authors and illustrators who bring InvestiGators to life.

John Patrick Green

Author

Keep exploring

Similar Series

InvestiGators Books

First Book in the Series

InvestiGators Series

Agents of S.U.I.T. Series

Common Questions

How many books are in the InvestiGators series?

What order should you read the InvestiGators books in?

What ages are the InvestiGators books best for?

Which InvestiGators book is the longest?

Which InvestiGators book is the shortest?

The Creative Behind the Books

John Patrick Green

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