B
Bill Brittain
Bill Brittain is a writer of children's books and mystery fiction. He is known for titles such as The Fantastic Freshman, Devil's Donkey, and The Return of the Black Widowers.
The mystery of the several sevens
Mr. Merlin, a wizard disguised as a substitute teacher, magically transports two fifth graders to a fairyland where they must solve a riddle to find out who has stolen the seven dwarfs' bag of diamonds.