This is a list of all books in the BSC franchise which do not have a ghostwriter credited at the beginning of the book. For the books in the Baby-sitters Club, Baby-Sitters Little Sister, The Kids in Ms. Colman's Class, and California Diaries series, it can be assumed that author Ann M. Martin was the sole writer. A pattern that can be observed in this list is that Martin wrote the first several books in each new series, and the rest of the books were ghostwritten.
All Mystery, Super Mystery, Readers' Request, and Portrait Collection books have ghostwriter credits.
Certain supplemental or activity books do not have author or ghostwriter credits, but it is unlikely Martin wrote them because she did not write any other supplemental books.
Written by Ann M. Martin[]
Regular Series[]
- #1 Kristy's Great Idea
- #2 Claudia and the Phantom Phone Calls
- #3 The Truth About Stacey
- #4 Mary Anne Saves the Day
- #5 Dawn and the Impossible Three
- #6 Kristy's Big Day
- #7 Claudia and Mean Janine
- #8 Boy-Crazy Stacey
- #9 The Ghost at Dawn's House
- #10 Logan Likes Mary Anne!
- #11 Kristy and the Snobs
- #12 Claudia and the New Girl
- #13 Good-bye Stacey, Good-bye
- #14 Hello, Mallory
- #15 Little Miss Stoneybrook...and Dawn
- #16 Jessi's Secret Language
- #17 Mary Anne's Bad Luck Mystery
- #18 Stacey's Mistake
- #19 Claudia and the Bad Joke
- #20 Kristy and the Walking Disaster
- #21 Mallory and the Trouble with Twins
- #22 Jessi Ramsey, Pet-sitter
- #24 Kristy and the Mother's Day Surprise
- #25 Mary Anne and the Search for Tigger
- #26 Claudia and the Sad Goodbye
- #28 Welcome Back, Stacey!
- #29 Mallory and the Mystery Diary
- #30 Mary Anne and the Great Romance
- #31 Dawn's Wicked Stepsister
- #32 Kristy and the Secret of Susan
- #33 Claudia and the Great Search
- #36 Jessi's Baby-sitter
- #38 Kristy's Mystery Admirer
- #39 Poor Mallory!
- #41 Mary Anne vs. Logan
- #43 Stacey's Emergency
- #46 Mary Anne Misses Logan
- #48 Jessi's Wish
- #51 Stacey's Ex-Best Friend
- #52 Mary Anne + 2 Many Babies
- #56 Keep Out, Claudia!
- #58 Stacey's Choice
- The Summer Before
Super Specials[]
- SS #1 Baby-sitters on Board!
- SS #2 Baby-sitters' Summer Vacation
- SS #3 Baby-sitters' Winter Vacation
- SS #4 Baby-sitters' Island Adventure
- SS #5 California Girls!
- SS #6 New York, New York!
- SS #7 Snowbound
- SS #8 Baby-sitters at Shadow Lake
- SS #9 Starring the Baby-sitters Club!
- SS #11 The Baby-sitters Remember
- Baby-sitters Club: Friends Forever SS#1 Everything Changes
- Baby-sitters Club: Friends Forever SS#2 Graduation Day
California Diaries[]
- #1 Dawn
- #12 Sunny, Diary Three
Baby-sitters Little Sister[]
- #1 Karen's Witch
- #2 Karen's Roller Skates
- #3 Karen's Worst Day
- #4 Karen's Kittycat Club
- #5 Karen's School Picture
- #6 Karen's Little Sister
- #7 Karen's Birthday
- #8 Karen's Haircut
- #9 Karen's Sleepover
- #10 Karen's Grandmothers
- #12 Karen's Ghost
- #13 Karen's Surprise
- #14 Karen's New Year
- #15 Karen's in Love
- #16 Karen's Goldfish
- #17 Karen's Brothers
- #18 Karen's Home Run
- #20 Karen's Carnival
- #21 Karen's New Teacher
- #22 Karen's Little Witch
- #24 Karen's School Trip
- #25 Karen's Pen Pal
- #26 Karen's Ducklings
- #27 Karen's Big Joke
- #29 Karen's Cartwheel
- #32 Karen's Pumpkin Patch
- #34 Karen's Snow Day
- #36 Karen's New Friend
- #37 Karen's Tuba
- #38 Karen's Big Lie
- #39 Karen's Wedding
- #40 Karen's Newspaper
- #41 Karen's School
- #42 Karen's Pizza Party
- #44 Karen's Big Weekend
- #45 Karen's Twin
- #46 Karen's Baby-sitter
- #48 Karen's Two Families
- #49 Karen's Stepmother
- #50 Karen's Lucky Penny
- #52 Karen's Mermaid
- #54 Karen's Candy
- #57 Karen's School Mystery
- #61 Karen's Tattletale
- #66 Karen's Monsters
- #72 Karen's New Puppy
- #73 Karen's Dinosaur
- #SS1 Karen's Wish
- #SS2 Karen's Plane Trip
- #SS3 Karen's Mystery
- #SS4 Karen, Hannie, and Nancy
- #SS5 Karen's Baby
The Kids in Ms. Colman's Class[]
- #1 Teacher's Pet
- #2 Author Day
- #3 Class Play
- #4 Second Grade Baby
- #5 Snow War
- #6 Twin Trouble
- #9 Halloween Parade
- #11 Spelling Bee
Supplemental Books with no ghostwriter credit[]
Martin is credited on the covers of these books, but most likely did not write these because she did not write any other non-series book, but like all ghostwritten books her ideas and outlines were likely used.
- The Baby-Sitters Club Chain Letter and The Baby-Sitters Club Secret Santa - Each book has an art director/book designer credited for the whole book, and each individual card or letter has an art credit on the copyright page.
- Secret Diary, a Little Sister activity book
- Autograph Book