Carolyn Wells 
Patty’s Butterfly Days 

Patty and her friend Mona Galbraith are spending the summer at Spring Beach together while their parents are away travelling. The girls throw house parties and have plenty of visitors, including handsome young Bill Farnsworth who begins to play a significant role in Patty’s life. This is the tenth book in the ‘Patty Fairfield’ children’s series by prolific author Carolyn Wells.-