What reading level is Karen's Tattletale?

Karen's Tattletale by Ann M. Martin is at a Level 3 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is Karen's Tattletale appropriate for?

Karen's Tattletale is recommended for Ages 9-12. HootRating: 8C (Clear).

What genre is Karen's Tattletale?

Karen's Tattletale is fiction — Brothers. Part of the Baby-Sitters Little Sister series.

Does Karen's Tattletale have any content warnings?

Karen's Tattletale has a HootRating of 8C (Clear). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Karen's Tattletale?

Karen's Tattletale by Ann M. Martin is 100 pages (approximately 11,670 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

Karen's Tattletale

Ann M. Martin

Karen's Tattletale

Age Rating, Reading Level & Content Guide

by Ann M. Martin

Illustrated by Susan Tang

Baby-Sitters Little Sister

Reading Level 3 8C Ages 9-12 Balanced Read

The text is written at a 3rd grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.

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About This Book

Karen feels upset when her little brother Andrew starts reporting everything she does at school after she showed no sympathy when he got in trouble for tattling. As Andrew keeps tattling on Karen, she learns what it feels like to be on the other side and discovers how to handle their sibling rivalry. This story explores the ups and downs of family dynamics and understanding.

Themes

FamilySibling RelationshipsFriendship Coming of Age

Quick Assessment

This is a Level 3 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 9-12.

Why we rated Karen's Tattletale 8C

Karen's Tattletale is written at a Level 3 reading level across 100 pages (approximately 11,670 words). Strong independent readers around grade 4.0 can typically handle this book on their own; with parent or teacher support, Karen's Tattletale works for readers up to grade 5.0.

Read aloud, Karen's Tattletale runs about 1.3 hours — long enough to span several bedtime sessions.

We rate Karen's Tattletale as 8C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.

Thematically, Karen's Tattletale explores family, sibling relationships, friendship, and coming of age — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
✓ Readers who like a steady plot with enough momentum to keep pages turning.
✓ Kids drawn to stories about family, sibling relationships, friendship.
✓ Readers who fall hard for one book and want a long series to live in — there are 85 more books in the Baby-Sitters Little Sister series.