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Cover of Hippos Go Berserk!
Picture · ages 2–5

Hippos Go Berserk!

Written and illustrated by Sandra Boynton

Part of the Sandra Boynton universeOpen the collection

Canonical classicBestseller list
Top giftableEndlessly rereadable

A classic counting-party book where one lonely hippo calls friends until the house erupts into joyful chaos. Best for children who enjoy numbers, parties, escalating silliness and Boynton's bounciest comic timing.

  • Best for2–5
  • FormatPicture
  • Length40 pp
  • Read aloud~8 min
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The vibe

What it’s like.

Style

  • Rhyming
  • Repetitive
  • Conversational
  • Comedic

Tone

  • Funny
  • Silly
  • Absurdist
  • Exciting
  • Warm

Themes

On the pageescalating chaos, comic escalation, party, counting, hippos, animal party, numbers, telephone invitation

Experience meters

Energy5/ 5
Humour5/ 5
Scariness1/ 5
Peril1/ 5
Wonder2/ 5
Cosiness3/ 5
Emotional intensity1/ 5
Conceptual intensity1/ 5

What’s it about?

The story.

Hippos Go Berserk! starts with one hippo all alone, then builds into an increasingly ridiculous party as more and more hippos arrive. The book works as a counting story, a party story and a comic escalation machine. Its appeal comes from the contrast between simple number progression and the absurd energy of hippos completely losing control. The 45th anniversary edition expands the format into a larger picture-book-style edition, while older board versions remain part of its history. This is a key Boynton title because it shows her sense of rhythm and escalation in an early, iconic form. It is less bedtime-cosy than The Going to Bed Book and less concept-pure than Doggies, but stronger for party energy, counting and group chaos.

Fit check

Right for your child?

Where it lands by age

  • 1
  • 3
  • 5
  • 7
  • 9
  • 11
  • 13
  • Best fit · 2–5
  • Read aloud · 1–6
  • Independent · 3–6

Prose load

Light

Visual support

Very high

Reluctant-reader friendly

Very

Read-aloud quality

Excellent

Works well for

  • Reading aloud
  • Reading together
  • Gift-buying
  • Reluctant readers
Low sensitivityNo content warnings

Nothing in the book is likely to concern most parents. Safe to recommend without preview.

Bedtime suitability

3 / 5 · Workable

Sensitive-child

4 / 5 · Good fit

Graphic intensity

1 / 5 · None

Best for

  • Counting
  • Hippos
  • Party book
  • Comic escalation
  • Funny read aloud

Avoid if

  • Wants calm bedtime
  • Prefers quiet books
  • Wants story depth

Particularly good for children who are…

  • Reluctant reader
  • Struggling with reading
  • Making friends

In the classroom

How it works in school.

A rollicking rhyming counting read-aloud — great for joining in and counting along.

Classroom role

  • Read aloud
  • Poetry and performance

Good for teaching

  • Prediction

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 kick is counting up then down — one lonely hippo, then two more, then three, escalating to forty-five hippos at a chaotic party, then everyone leaves and the count runs back. A three-year-old gets a maths book and a comedy in one.

  • Friendship and belonging
  • Animal companions
  • Adventure and freedom

Why parents love it

The Boynton that doubles as a counting book — escalating party comedy, the count climbing to forty-five and back down. Useful for early numeracy without anyone mentioning maths. Reliable toddler-shelf staple.

  • Shared humour
  • Nostalgia
  • Quick to read

About the author & illustrator

Sandra Boynton.

SB

Sandra Boynton

Writer & illustrator · United States · b. 1953

Sandra Boynton is an American author-illustrator born in 1953, the dominant board-book voice of US early childhood for the last forty years. Her catalogue, Moo, Baa, La La La!, The Going to Bed Book, Hippos Go Berserk!, But Not the Hippopotamus, Pajama Time, Belly Button Book, Doggies, Snuggle Puppy, has sold over seventy million copies and is a near-universal first-bookshelf presence in US homes. Boynton's style is clean, cartoony, character-rich and rhythmically perfect for reading aloud to babies and toddlers. She also writes adult humour (Chocolate: The Consuming Passion) and records children's music albums, but her core identity is the board books. A defining ages-0–4 author.

More from Sandra Boynton

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.

Where you’ll find it

On these reading lists.

Buy or borrow

Pick up a copy.

  • Bookshop.org
  • Waterstones
  • Amazon UK
  • Hive
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Last reviewed · May 2026Suggest a correctionHow we recommend

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