Do we need to read the graphic novels before this one?

Not at all. While the characters are the same, this is a standalone picture book. It's actually a great 'entry drug' for younger kids who aren't quite ready for the panel-style reading of the main series.

Is it actually scary?

Only in the silliest way possible. The 'dangers' are things like pirate crabs and spiky things. If your kid can handle a cartoon jellyfish being a little dramatic, they'll be fine.

How well does the glow-in-the-dark cover actually work?

Like most glow-stuff, it needs a good 'charge' under a bright light for a minute before it really pops. It's a fun effect, but don't expect it to replace a nightlight.

Is this a good choice for a kid with real-life anxiety?

Yes. Jelly is a great mirror for kids who feel 'too much.' Seeing him navigate his fears with humor helps take the power out of the things that feel big and scary.

This Book Is Dangerous! (A Narwhal and Jelly Picture Book #1) – WISE Score & Parent Review | Screenwise

This Book Is Dangerous! (A Narwhal and Jelly Picture Book #1)

Name: Screenwise
Author: Screenwise

book2025Children's Books, Animals

94%

WISE Score

4.8

Amazon

Jelly the anxious jellyfish tries to survive his own picture book, and he’s going to need you to stop touching the pages immediately.

This Book Is Dangerous! (A Narwhal and Jelly Picture Book #1)

book

2025, Children's Books, Animals

94%

WISE Score

4.8

Amazon

Jelly the anxious jellyfish tries to survive his own picture book, and he’s going to need you to stop touching the pages immediately.

4.8

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Where to Read

Our reviews and ratings are 100% unbiased. Screenwise is a Bookshop.org affiliate and an Amazon Associate, so if you buy a book through one of our links, we may earn a commission. Bookshop.org purchases also support independent bookstores.

Screenwise Verdict

If your kid already lives for the Narwhal and Jelly graphic novels, this picture book spin-off is a mandatory addition to the shelf. It takes Jelly’s signature neuroticism and turns it into a game, forcing the reader to help (or hinder) a jellyfish who is convinced the next page turn is his undoing.

It’s rare to find a book that handles childhood anxiety this effectively without feeling like a therapy session. It’s just funny, bright, and tactile. The glow-in-the-dark cover isn't just a gimmick; it’s the exact kind of thing that makes a kid want to grab a book instead of a tablet at 7:00 PM.

Age Fit

Perfect for the 3-7 crowd. It’s simple enough for preschoolers to follow the interactive prompts, but the humor has that dry Clanton edge that 1st and 2nd graders still find hilarious.

WISE Breakdown

Wholesome

Jelly is the patron saint of anxious kids everywhere. The book models navigating fear with humor and a very gentle, supportive tone that never mocks the jellyfish's worries.

Imaginative

The interactive 'fourth wall' breaking and the glow-in-the-dark cover turn reading into a physical, playful experience that invites kids to participate in the story.

Safe

100

It's a Ben Clanton book. The 'dangers' are things like pirate crabs and circus cannons, played entirely for laughs. Zero concerns here.

Enriching

Excellent for building emotional literacy. It gives kids a way to look at their own anxieties from the outside and laugh at the 'danger' alongside Jelly.

Parent Info

✓

Why It Might Be Great

Interactive play in the vein of The Monster at the End of This Book makes it a high-engagement read-aloud.
Glow-in-the-dark cover adds a tactile, 'cool factor' that makes it a favorite for bedtime under the covers.
Normalizes anxiety by showing Jelly’s worries as relatable and ultimately manageable through humor.
Ben Clanton’s art style is as bright and accessible as ever, making it a perfect bridge for younger siblings of Narwhal and Jelly fans.

⚠

What to Watch For

The 'dangerous' title might be taken literally by very literal-minded 3-year-olds for the first few pages, but the silliness kicks in quickly.

Conversation Starters

"Jelly is pretty worried about this book. Do you ever feel like a story or a game is 'dangerous' even when it's just pretend?"
"Which of Jelly's 'dangers'—like the pirate crabs or circus cannons—was the funniest to you?"
"How does it feel when the book asks you not to do something, like touching the page?"

Deep Dive

Ben Clanton has a superpower: he can write about being nervous without making it a 'lesson.' In This Book Is Dangerous!, he shifts from the graphic novel panels of the main series into a full-bleed interactive picture book format. It’s a smart move. While Narwhal is usually the one driving the plot with relentless optimism, letting Jelly take the lead here allows the book to play with the reader's own agency.

The 'Monster' Legacy

The book clearly tips its hat to Grover’s The Monster at the End of This Book. It uses the same reverse-psychology mechanics—telling the reader to stop, stay still, and definitely not touch anything. For a four-year-old, this is peak comedy. It empowers them as the 'giant' who controls the world of the book, which is a great counter-balance to the themes of worry and lack of control that Jelly represents.

Tactile Tech

In an era where we're constantly trying to compete with the haptic feedback of an iPad, the glow-in-the-dark cover and the interactive prompts are the right kind of 'low-tech' engagement. It turns reading into a shared physical activity. If you're looking for a bridge to get a younger child into the broader Narwhal and Jelly universe, or if you just need a solid bedtime win that won't bore you to tears, this is the one.

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