Book 24

Karen's School Trip

by Ann M Martin

Published 1 January 1992

Book 25

Karen's Penpal

by Ann M Martin

Published 20 October 1995

Book 26

Karen's Ducklings

by Ann M Martin

Published 1 March 1992

Book 27

Karen's Big Joke

by Ann M Martin

Published 1 January 1992

Book 28

Karen's Tea Party

by Ann M Martin

Published 1 January 1992

Book 29

Karen's Cartwheel

by Ann M Martin

Published 1 June 1992

Book 30

Karen's Kittens

by Ann M Martin

Published 1 January 1992

Book 31

Karen's Bully

by Ann M Martin

Published 1 January 1992
Bobby, the class bully, is moving into Karen's neighborhood and she'll have no peace until she declares war on the bully.

Book 32

Karen's Pumpkin Patch

by Ann M Martin

Published 1 October 1992
The latest title in the Babysitters Little Sister series. Karen's dad gives her a special job in the vegetable garden. She has to take special care of all the pumpkins in the pumpkin patch. Karen chooses a huge one for herself and then holds a sale. Her friends and classmates all choose their own pumpkin. But someone wants to spoil their Hallowe'en fun. They're going round the neighbourhood smashing pumpkins. Will Karen's pumpkin patch be safe?

Book 33

Karen's Secret

by Ann M Martin

Published 1 January 1992
Karen learns the importance of keeping a secret so that rumors don't get started. She has to regain her classmates confidence after they stop talking to her because she spilled Natalie's secret.

Book 34

Karen's Snow Day

by Ann M Martin

Published 1 January 1993

Book 35

Karen's Doll Hospital

by Ann M Martin

Published 1 January 1993

Book 73

Karen's Dinosaur

by Ann M Martin

Published 1 January 1996