Danny Dunn and the Heat Ray Author:Jay Williams and Raymond Abrashkin Danny is soaring about Midston in a plane with his pilot friend when he catches sight of a man stranded in a field, and helps rescue him. The man happens to be millionaire Glenway Pippit who is interested in Professor Bullfinch's new heat ray - but Danny and the Professor must prove to him that the invention can be useful. Then one afternoon I... more »rene is listening to her short-wave radio when she hears about a forest fire nearby. Danny realizes that the Professor and Mr. Pippit drove their cars in that direction. Soon the police spot the men - They are surrounded by fire! Danny thinks he knows how to rescue them and put the heat ray to practical use ... But can he do it in time?« less