The 1991 BSC Wall Calendar was the second of five BSC Calendars produced by Scholastic. It included family portraits of each BSC member, wipe-off memo board that can be used again and again, and two full pages of brand-new stickers.
Images on each page[]
- January - #41 Mary Anne vs. Logan (no book name)
- February - #31 Dawn's Wicked Stepsister
- March - #46 Mary Anne Misses Logan (no book name)
- April - #28 Welcome Back, Stacey!
- May - #29 Mallory and the Mystery Diary
- June - #27 Jessi and the Superbrat
- July - #33 Claudia and the Great Search
- August - #32 Kristy and the Secret of Susan
- September - #30 Mary Anne and the Great Romance
- October - #47 Mallory on Strike (no book name)
- November - Original Artwork of the baby-sitters in their meeting room (same as the cover of the 1990 BSC calendar)
- December - Super Special #5 California Girls!
- Stoneybrook Family Portraits - Two pages of seven black-and-white pictures of each baby-sitter's family
- Wipe-Off Board
- 1991 and 1992 yearly calendar
Stoneybrook Family Portraits[]
Two pages of the calendar included six portraits of each baby-sitter's family. Angelo Tillery drew these images as well as most of the interior illustrations in the series. These family portraits were reproduced in the End-of-Book Scrapbooks found in the 1995 reprints of the main series.
- Kristy's family: Watson Brewer, Elizabeth Thomas-Brewer, Nannie, Charlie Thomas, Sam Thomas, David Michael Thomas, Karen Brewer, Andrew Brewer, Emily Michelle Brewer, Boo-Boo, Shannon
- Claudia's family: John Kishi, Rioko Kishi, Mimi Yamamoto, Janine Kishi
- Mary Anne and Dawn's family: Richard Spier, Sharon Spier, Jeff Schafer, Tigger Spier
- Stacey's family: Maureen Spencer, Edward McGill
- Mallory's family: Dee Pike, John Pike, Adam Pike, Jordan Pike, Byron Pike, Vanessa Pike, Nicky Pike, Margo Pike, Claire Pike
- Jessi's family: Janice Ramsey, John Ramsey, Becca Ramsey, Squirt Ramsey, Cecelia Parker