A Bargain for Frances (1970)
A Bargain for Frances is a 1970 Spanish-language badgers, fiction book written by Russell Hoban and Lillian Hoban.
One day Thelma tricks Frances into buying her old plastic tea set. Thelma says there are no backsies on the bargain. Can Frances come up with a plan that will change her friend's mind? Outstanding Children's Books of 1970 (NYT)