Dick and Dolly by Carolyn Wells — Read

Of course that was the explanation. Mrs. Hampden was a wealthy young widow who had just came to Heatherton to live. The Dana ladies did not know her, and probably never would have known her had it not been for the twins' escapade.

For lively little Mrs. Hampden belonged to a gay, modern set that had little in common with the Dana ladies' older and more conservative circle of friends. Also, she was not at all like the Mrs. Hampton on whom Miss Rachel and Miss Abbie were calling, and where the twins were expected to meet them.