
Danny Dunn and the Heat Ray

Danny Dunn and the Heat Ray is the seventh novel in the "Danny Dunn" series of juvenile science fiction/adventure books written by Raymond Abrashkin and Jay Williams. The book was first published in 1962.
Plot introduction.
Danny finds and uses a heat ray which Professor Bullfinch has created for the government.
Editions.
McGraw-Hill
MacDonald and Jane's
Pocket Books/Archway Books