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Baby-Sitters Little Sister (Graphix) Books in Order

Baby-Sitters Little Sister (Graphix) is a 2-book series by Ann M Martin for ages 9–12, at a grades 2–3 reading level, with gentle to mild content (HootRated intensity 1–2 out of 5).

Books
2
In series order
Reading level
Grades 2–3
Average grade level 2.7
Recommended ages
Ages 9–12
From HootRated age ratings
Content intensity
Gentle to mild
HootRated 1–2 out of 5 · avg 1.5

Baby-Sitters Little Sister (Graphix) Reading Order

All 2 Baby-Sitters Little Sister (Graphix) books, numbered in series order; books without a confirmed series number follow, by publication date.

# Title Reading Level Ages Content
11 Karen's Ghost: A Graphic Novel (Baby-Sitters Little Sister #11)
2025
Level 2-3 9-12 Gentle
Also in the series (no confirmed series number)
— Karen's Kittycat Club
2021 · Ann M. Martin
Level 2-3 9-12 Mild

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

1
2
First book Latest book

Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Baby-Sitters Little Sister (Graphix) (2 books by Ann M Martin) lands at a grades 2–3 reading level, with average content intensity 1.5/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.

The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.

All Baby-Sitters Little Sister (Graphix) Books

Karen's Ghost: A Graphic Novel (Baby-Sitters Little Sister #11)

Ann M Martin

Cover of Karen's Ghost: A Graphic Novel (Baby-Sitters Little Sister #11)

Karen's Ghost: A Graphic Novel (Baby-Sitters Little Sister #11)

Ann M Martin

Level 2-3

Karen's Kittycat Club

Ann M. Martin

Cover of Karen's Kittycat Club

Karen's Kittycat Club

Ann M. Martin

Level 2-3

Similar reading level, content intensity and themes.

Questions about the Baby-Sitters Little Sister (Graphix) series

What reading level is the Baby-Sitters Little Sister (Graphix) series?
Baby-Sitters Little Sister (Graphix) books are at a grades 2–3 reading level (average grade level 2.7), and HootRated recommends the series for ages 9–12. There are 2 books in the series.
What order should I read the Baby-Sitters Little Sister (Graphix) books?
Read the Baby-Sitters Little Sister (Graphix) books in series order: Book 11: Karen's Ghost: A Graphic Novel (Baby-Sitters Little Sister #11); Karen's Kittycat Club (2021). 1 more book has no confirmed series number and is listed after the numbered books by publication date.
What age is the Baby-Sitters Little Sister (Graphix) series appropriate for?
HootRated recommends Baby-Sitters Little Sister (Graphix) for ages 9–12. Content is gentle to mild (HootRated intensity 1–2 out of 5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.