Danny Dunn and the Homework Machine, published in 1958, is the third novel in the Danny Dunn series by Jay Williams and Raymond Abrashkin. Danny is an adolescent boy who lives with the scientist Professor Bullfinch, for whom Danny’s mother serves as housekeeper. In each book Danny and his sidekick Joe co-opt some invention of the Professor’s and use it to get in and out of trouble. This time the theme is computer science, as the boys get their hands on MINIAC, a computer that Bullfinch is developing for the government.