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
 * (Paperback, 1962, illustrated by Owen Kampen)
 * (Hardback, 1962, illustrated by Owen Kampen)

MacDonald and Jane's
 * (Hardback, 1973, illustrated by Anne Mieke)

Pocket Books/Archway Books
 * (Paperback, 1979, #14 in their series, illustrated by Owen Kampen)
 * (Paperback, 1983 reissue, illustrated by Owen Kampen)