- Illustrated Chapter Books
- Ages 7–10
- Comedy
The Bad Guys in One Last Thing
Book 20 of 20 in The Bad GuysView the full series
The twentieth and final Bad Guys episode, giving the long-running animal-team saga its endgame payoff. It is still joke-heavy and accessible, but carries more emotional closure than the early books.
- Best for7–10
- FormatIllustrated
- Length192 pp
- Read aloud~1 hr15 min
The vibe
What it’s like.
Style
- Conversational
- Comedic
- Onomatopoeic
Tone
- Funny
- Silly
- Irreverent
- Exciting
- Heartwarming
Themes
Experience meters
What’s it about?
The story.
The Bad Guys in One Last Thing is the final episode of Aaron Blabey's twenty-book series, bringing the team's long, ridiculous journey towards its conclusion. Mr Wolf, Mr Snake, Mr Shark and Mr Piranha began as scary-looking animals trying to prove they could be good; by this point, their friendship, bravery, mistakes and transformations have carried them through a much bigger comic saga. The finale keeps the series' core reading strengths: fast panels, short text bursts, expressive faces, accessible humour and enough action to keep reluctant readers turning pages. But it also has a stronger sense of goodbye, giving established fans the emotional payoff of seeing how this chaotic team ends. It is not the right starting point, but for children who have followed the gang from the beginning, it functions as a funny, energetic and surprisingly warm closing chapter.
Fit check
Right for your child?
Where it lands by age
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- Best fit · 7–10
- Read aloud · 6–10
- Independent · 7–11
Prose load
Light
Visual support
Very high
Reluctant-reader friendly
Very
Read-aloud quality
Strong
Works well for
- Reading aloud
- Reading together
- Reluctant readers
Nothing in the book is likely to concern most parents. Safe to recommend without preview.
Bedtime suitability
2 / 5 · Better outside bedtime
Sensitive-child
3 / 5 · Mostly fine
Graphic intensity
2 / 5 · Mild
Best for
- Dog man fans
- Captain underpants fans
- Reluctant readers
- Series finale
- Fast reads
Avoid if
- Prefers calm books
- Needs realistic stories
- Needs standalone books
- Very sensitive readers
Particularly good for children who are…
- Reluctant reader
- Struggling with reading
In the classroom
How it works in school.
The wildly funny Bad Guys series — a legendary reluctant-reader hook and classroom-library staple.
A book children love that happens to support school — never a stand-in for the texts a class is taught with. Reviewed for the classroom · June 2026.
Why it lands
Why they love it.
Why kids love it
The specific feeling is closing the twenty-volume saga — Mr Wolf, Mr Snake, Mr Shark, Mr Piranha and Legs facing the final act of the run that began with chicken rescue. A seven-year-old who's worked through the whole series gets the rare graphic-novel finale that actually delivers.
- Breaking the rules safely
- Making a difference
- Surviving danger
- Transformation
Why parents love it
The Bad Guys finale — twenty volumes resolved, the team's whole journey from scary-looking villains to actual heroes paid off. Best saved as the closing book of the set. Surprisingly warm for a series that began as pure slapstick.
- Shared humour
- Quick to read
- Conversation starter
In the series
The Bad Guys.
20 books · open the series →
About the author & illustrator
Aaron Blabey.
If you liked this
Three ways out of this book.
If you liked this, try…
Lateral matches. Same shelf, different texture.
Come into this from…
Easier or preparing reads — perfect lead-ins.
Where to go next…
Escalation reads — a step up in scale, silliness, or stakes.
More like this…
Books that share themes and topics with this one.
Buy or borrow
Pick up a copy.
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