Mallory and the Trouble With Twins Ex-Library Hardcover – Baby-Sitters Club #21

The Arnold twins aren’t just bad — they’re double trouble! When Mallory gets a regular sitting job with the Arnold twins, she thinks it’ll be easy money. Wrong! Marilyn and Carolyn are a handful, and Mallory quickly realizes there’s more to these two than meets the eye. A funny, warm story about individuality, patience, and seeing people for who they really are from Ann M. Martin’s beloved Baby-Sitters Club series.

📚 Details

• Series: The Baby-Sitters Club #21
• Title: Mallory and the Trouble With Twins
• Author: Ann M. Martin
• Publisher: Scholastic
• Format: Hardcover (Perma-Bound)

🔖 Condition
⚠️ Ex-library copy — may include library markings, stamps, stickers, or labels on the cover and/or interior pages.