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Cover of The Baby-Sitters Club: Claudia and the Bad Joke
Graphic · ages 8–12

The Baby-Sitters Club: Claudia and the Bad Joke

Written by Ann M. Martin · Illustrated by Arley Nopra

Book 15 of 19 in The Baby-Sitters Club GraphixView the full series

Part of the The Baby-Sitters Club universeOpen the collection

Netflix or streamingBestseller listTV adaptation

A Claudia-centred story about a babysitting prank that goes too far and leaves her with a broken leg. It is useful for conversations about jokes, consequences and recovery, but more sensitive than its title suggests.

  • Best for8–12
  • FormatGraphic
  • Length192 pp
  • Read aloud~1 hr30 min
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The vibe

What it’s like.

Style

  • Conversational
  • Comedic

Tone

  • Warm
  • Funny
  • Bittersweet
  • Heartwarming
  • Thought provoking

Themes

On the pageclaudia kishi, practical joke, graphic adaptation, broken leg, injury recovery, babysitting problem, jokes with consequences, apology

Experience meters

Energy3/ 5
Humour3/ 5
Scariness1/ 5
Peril1/ 5
Wonder1/ 5
Cosiness3/ 5
Emotional intensity3/ 5
Conceptual intensity3/ 5

What’s it about?

The story.

Claudia is not too worried when she hears that her new babysitting charge, Betsy Sobak, is a practical joker. Claudia is creative, relaxed and usually good with children, so how bad can one little joke be? But Betsy's prank goes much too far, leaving Claudia injured and forced to face pain, frustration and time away from the things she loves. The Baby-Sitters Club has to deal not only with the practical problem of Claudia's broken leg, but with bigger questions about responsibility, apology and whether a joke is still funny when someone gets hurt. This fifteenth Graphix adaptation, illustrated by Arley Nopra, is still recognisably BSC: warm, accessible and friendship-led. But it earns a moderate sensitivity rating because injury and recovery are central. It is a valuable pick for readers ready to think about boundaries, accidents and making amends.

Fit check

Right for your child?

Where it lands by age

  • 1
  • 3
  • 5
  • 7
  • 9
  • 11
  • 13
  • Best fit · 8–12
  • Read aloud · 8–11
  • Independent · 8–12

Prose load

Light

Visual support

Very high

Reluctant-reader friendly

Very

Read-aloud quality

Strong

Works well for

  • Reading aloud
  • Reluctant readers
Low sensitivity1 content warning

Preview before sharing if a child is sensitive to: illness or disability.

Bedtime suitability

3 / 5 · Workable

Sensitive-child

4 / 5 · Good fit

Graphic intensity

1 / 5 · None

Best for

  • Claudia kishi fans
  • Prank consequences
  • Injury recovery
  • Realistic graphic novel
  • Reluctant readers

Avoid if

  • Sensitive to injury
  • Needs light comedy only
  • Has not read earlier bsc

Particularly good for children who are…

  • Reluctant reader
  • Interested in art and creativity
  • Anxiety and worry
  • Hospital stay
  • Illness in family

In the classroom

How it works in school.

The hugely popular Baby-Sitters Club graphic novels — a reluctant-reader favourite that also touches on friendship, responsibility and family.

Classroom role

  • Classroom library
  • Discussion and empathy

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 recognition is the joke that goes too far — a practical joke at a babysitting job lands Claudia with a broken leg, and a child reading it gets the uncomfortable but important question of when teasing stops being funny. Tougher BSC; rewards readers ready for it.

  • Being special or chosen
  • Friendship and belonging
  • Making a difference
  • Proving yourself

Why parents love it

The BSC for a conversation about practical jokes and consequences — Claudia is genuinely injured, and the book takes the harm seriously. The Graphix adaptation handles recovery, apology and shifted responsibilities without lecturing. Useful for any household where pranks have started going too far.

  • Nostalgia
  • Conversation starter
  • Quick to read
  • Shared humour

In the series

The Baby-Sitters Club Graphix.

19 books · open the series →

About the creators

About the creators.

AM

Ann M. Martin

Writer · United States · b. 1955

Ann M. Martin is an American author born in 1955, best known as the creator of The Baby-Sitters Club, the chapter-book series that launched in 1986 and ran to over 200 volumes across the original sequence and its various spin-offs. The BSC follows a group of preteen friends in fictional Stoneybrook, Connecticut, running a babysitting business while navigating school, family change, illness, identity and friendship, its emotional intelligence and respect for its young readers are why the series has had a four-decade afterlife. From 2015 onwards, Raina Telgemeier and other artists have adapted the original novels into a hugely successful graphic-novel line, bringing the series to a new generation. Martin also wrote A Corner of the Universe (Newbery Honor) and Rain Reign.

More from Ann M. Martin
AN

Arley Nopra

Illustrator · United States

Arley Nopra is an American cartoonist best known to children's-book readers as the visual adapter of several Baby-Sitters Club graphic-novel volumes (Mallory and the Trouble with Twins, Claudia and the Bad Joke, Dawn on the Coast), picking up the line after Raina Telgemeier and Gale Galligan. Nopra's style stays close to the established Baby-Sitters Club visual language while bringing their own warmth and character work, keeping the series visually consistent for new and returning readers. A reliable contemporary middle-grade graphic-novel adapter for ages 8–12.

More from Arley Nopra

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Last reviewed · April 2026Suggest a correctionHow we recommend

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