Baby-Sitters Little Sister #10 Karen’s Grandmothers. Ann. M. Martin. 2022.

When Karen adopts a grandmother from Stoneybrook Manor, she has more grandmas than anyone she knows - five! Karen thinks that is very special.

But Karen's new grandmother is so different! Grandma B makes Karen listen to old music. And she teaches Karen funny dances, like the foxtrot.

Are five grandmothers too many for Karen?