Ann Matthews Martin to amerykańska pisarka dla dzieci, znana najlepiej z serii Baby-Sitters Club.
Mary Anne met Logan way back in BSC #10. More than a hundred stories later, Mary Anne is ready for a change. And she's about to find out that breaking up is hard to do!
Stacey and Claudia never dreamed anything could threaten their best friendship. But when they both fall for the same boy, the biggest rivalry in BSC history begins.