InvestiGators: Weather or Not (InvestiGators, #10)

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Publisher
Age Range
8+
Release Date
June 02, 2026
ISBN
978-1250357915
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Multiple-time New York Times–bestselling sewer-surfing super-sleuths Mango and Brash are back in the ninth volume of the mega-smash-hit InvestiGators series!

The InvestiGators’ latest case is a dairy disaster! The city's water supply has been replaced with milk and the newest feline agents, the InvestiGatos, don’t seem to be complaining. What’s with the simian scientists and why is the rain green?! All will be revealed in this sticky volume of InvestiGators!

Editor review

1 review
entertaining and silly graphic novel!
(Updated: July 09, 2026)
Overall rating
 
5.0
Plot
 
5.0
Characters
 
5.0
Writing Style
 
5.0
Illustrations/Photos (if applicable)
 
5.0
INVESTIGATORS: WEATHER OR NOT is an engaging and silly middle grade graphic novel with a fun mystery and plenty of funny moments. Mango and Brash have a new case to solve - who is replacing the water with milk? They face off against Daryl, locate the missing agent (InvestiGatos), and encounter mad scientists along the way.

What I loved: This is a highly entertaining and action-packed new InvestiGators story. The misunderstandings and puns will keep young readers laughing. There are so many clever jokes that play on language and grammar that also improve reading skills. Another fun thing about this series is that some of the jokes are made for adult caregivers who read along with young ones. They may go over kids' heads but will keep adults entertained as well.

The case feels relatively low stakes and adds to the humor along the way with plenty of twists and surprises as they figure out who is behind it. Mango and Brash may not always be the most effective detectives but they get the job done. The new InvestiGatos added a lot of fun to the story with their own flair for solving cases and tackling problems.

The artwork throughout is fantastic with loads of fun characters, easy-to-follow panels, and lots of color. The level of detail works perfectly to set and capture each scene. The dialogue is easy to attribute and follow without taking over the story. Expressive characters and colors set up all the comedy nicely.

Final verdict: INVESTIGATORS: WEATHER OR NOT is a highly entertaining and action-packed graphic novel that young readers will love laughing their way through! Highly recommend for the middle grade audience.
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If the sky is green and the water tastes like milk, you call the InvestiGators.
(Updated: July 09, 2026)
Overall rating
 
5.0
Plot
 
5.0
Characters
 
5.0
Writing Style
 
5.0
Illustrations/Photos (if applicable)
 
N/A
I had so much fun reading InvestiGators: Weather or Not by John Patrick Green. This series somehow gets sillier and smarter with every book, and this one had me laughing from start to finish. Mango and Brash are back solving another chaotic mystery, complete with monkey-scientists, weird weather, and an absolutely ridiculous dairy disaster. The jokes land perfectly for kids, but honestly, I was cracking up, too. The bright comic panels, nonstop action, and clever teamwork make this such an easy graphic novel to binge in one sitting. If your reader loves fast-paced humor like Dog Man, this series is definitely worth picking up.

Thank you, Storygram Kids, Mac Kids Books, and John Patrick Green, for sharing InvestiGators: Weather or Not with me!
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