Baby-Sitters Little Sister Books in Order
Ann M. Martin has written 143 Baby-Sitters Little Sister books, published between 1988 and 2025: 133 in the 2 main-line series and 10 related titles. The first book is Karen's Witch (1988) and the newest main-line book is Karen's Cowboy (2000). Publication order is the reading order below.
- Books
- 143
- Published
- 1988–2025
- Confirmed
- 100 of 143 titles
- Pages on record
- 10,366 in 101 of 143 books
- Reading time
- 173–259 hours
Reading time is an estimate, not a recorded figure: 10,366 pages at 300 words a page, read at 200–300 words a minute, covering the 101 of 143 titles with a page count on record.
Baby-Sitters Little Sister is an Ann M. Martin listing of 143 books catalogued from 1988 to 2025. Karen's Witch and Karen's Roller Skates (both 1988) come first, followed by Karen's Kittycat Club and Karen's Worst Day (1989), and Karen's Birthday, Karen's Grandmothers and Karen's Haircut (1990). Subjects file the books as American children's stories and list babysitters, girls, sisters, friendship, schools and cats. Karen's Ghost (2025) is the newest entry, and the run remains ongoing. Baby-Sitters Little Sister Super Special and Baby-Sitters Little Sister Graphic Novels are related listings.
How many Baby-Sitters Little Sister books are there?
Baby-Sitters Little Sister has 143 books, released between 1988 and 2025. 133 of them belong to the 2 main-line series (Baby-Sitters Little Sister, Baby-Sitters Little Sister Super Special), and 10 related titles sit outside it: graphic novels.
Baby-Sitters Little Sister Books in Publication Order
The table lists all 143 Baby-Sitters Little Sister books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.
- 11988972/4
- 21988–2/4
- 31989–2/4
- 419891022/4
- 51989–2/4
- 619901122/4
- 71990–3/4
- 81990–2/4
- 919901022/4
- 101990–3/4
- 1119901012/4
- 121991–2/4
- 131991–2/4
- 141991–3/4
- 151991–2/4
- 161991–3/4
- 171991983/4
- 181991992/4
- 191991983/4
- 201991993/4
- 2119911032/4
- 221991953/4
- 231991953/4
- 2419921382/4
- 2519921042/4
- 2619921022/4
- 271992963/4
- 281992–3/4
- 291992953/4
- 3019921023/4
- 3119921033/4
- 321992843/4
- 3319921023/4
- 341992–3/4
- 3519921073/4
- 3619931362/4
- 3719931332/4
- 3819931022/4
- 3919931002/4
- 4019931012/4
- 4119931023/4
- 4219931023/4
- 431993–3/4
- 4419931123/4
- 451993993/4
- 461993993/4
- 471993993/4
- 481993963/4
- 491993–3/4
- 501993923/4
- 5119941003/4
- 521994–3/4
- 531994–3/4
- 541994–3/4
- 5519941033/4
- 561994963/4
- 571994–3/4
- 581994–3/4
- 591994953/4
- 6019941083/4
- 611994–3/4
- 6219941013/4
- 6319951302/4
- 641995972/4
- 651995802/4
- 661995–2/4
- 671995993/4
- 681995973/4
- 691995–3/4
- 7019951003/4
- 7119951003/4
- 721995993/4
- 731995963/4
- 741995–3/4
- 7519951023/4
- 7619951042/4
- 7719951023/4
- 781995923/4
- 791996802/4
- 801996–3/4
- 8119961123/4
- 8219961063/4
- 831996993/4
- 841996983/4
- 851996–3/4
- 861996963/4
- 871996903/4
- 8819961013/4
- 891996953/4
- 901996–3/4
- 9119971092/4
- 9219971063/4
- 9319971133/4
- 941997973/4
- 9519971123/4
- 961997982/4
- 971997983/4
- 9819971042/4
- 991997–3/4
- 1001997933/4
- 10119971083/4
- 1021997642/4
- 1031998–3/4
- 1041998–2/4
- 1051998–3/4
- 10619981053/4
- 1071998953/4
- 10819981173/4
- 10919981123/4
- 11019981003/4
- 11119981123/4
- 11219981123/4
- 11319981203/4
- 11419981123/4
- 1151999982/4
- 11619991123/4
- 11719991123/4
- 11819991103/4
- 11919991023/4
- 12019991103/4
- 12119991023/4
- 12219991093/4
- 12319991123/4
- 12419991063/4
- 1251999883/4
- 12619991083/4
- 12719991143/4
- 1282000–3/4
- 1292000953/4
- 13020001053/4
- 13120001003/4
- 1322000983/4
- 13320001133/4
- 1342019–2/4
- 1352020–2/4
- 1362020–2/4
- 1372021–2/4
- 1382022–2/4
- 1392023–2/4
- 1402023–2/4
- 1412024–2/4
- 1422024–3/4
- 1432025–2/4
Do you have to read Baby-Sitters Little Sister books in order?
You should read the 2 main-line series in publication order, the order of the numbered table above; the 10 related titles (graphic novels) sit outside that sequence. The catalogue does not record whether each Baby-Sitters Little Sister book also stands alone.
Where to start with Baby-Sitters Little Sister
Start with Karen's Witch (1988), the earliest published book in the 2 main-line series.
What is the newest Baby-Sitters Little Sister book?
Karen's Cowboy (2000) is the newest book in the 2 main-line series. The newest related title is Karen's Ghost (2025).
Is there a new Baby-Sitters Little Sister book coming?
No next Baby-Sitters Little Sister book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.
Baby-Sitters Little Sister at a glance
- No recent titles
- The newest main-line Baby-Sitters Little Sister title on record is Karen's Cowboy (2000), 26 years ago. Related titles have appeared since.
- Release pace
- Baby-Sitters Little Sister books have appeared more than one a year on average.
- Length
- 10,366 pages across the 101 of 143 books with a recorded length, a median of 102 pages each.
- Busiest decade
- Most Baby-Sitters Little Sister books, 122 of 143, were published in the 1990s.
What the Baby-Sitters Little Sister books are about
132 of the 143 Baby-Sitters Little Sister books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: children's fiction is tagged on 120 of 132. The subjects are cataloguers’ headings, not a plot summary.
- Children's fiction 120 of 132 books
- Babysitters 98 of 132 books
- Girls 50 of 132 books
- Friendship 18 of 132 books
- Sisters 17 of 132 books
- Brothers and sisters 12 of 132 books
- Schools 9 of 132 books
- Juvenile literature 7 of 132 books
- Mystery & detective 6 of 132 books
- Christmas 5 of 132 books
More books by Ann M. Martin
The author page linked below lists every book in publication order.
- Ann M. Martin books in order 446 books