When Karen's family adopts a baby girl, Karen is dismayed that she's no longer the baby of the family. Then she finds that it's not so bad being the middle sister.

Karen's Little Sister 1992, Scholastic Hippo, London

ISBN-13: 9780590550345

Mass-market paperback

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Karen's Little Sister 1989, Scholastic US, New York

ISBN-13: 9780590442985

Paperback

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Karen's Little Sister 1989, Scholastic, New York, NY

ISBN-13: 9780590426923

Trade paperback

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Karen's Little Sister 1989, Turtleback Books

ISBN-13: 9780833539823

Turtleback School & Library edition

Hardcover

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