Danny Dunn and the Smallifying Machine is the eleventh novel in the Danny Dunn

Danny Dunn

Danny Dunn is the name of a fictional character and protagonist of a series of juvenile science fiction/adventure books written by Raymond Abrashkin and Jay Williams, in the 1950s, 1960s, and 1970s...

series of juvenile science fiction/adventure books written by Raymond Abrashkin

Raymond Abrashkin

Raymond Abrashkin was an American writer best known for writing, co-producing, and co-directing the acclaimed movie, The Little Fugitive, and for co-creating and co-authoring the highly successful Danny Dunn series of science fiction books for children with Jay Williams.-Family:Raymond's parents...

 and Jay Williams

Jay Williams (author)

Jay Williams was an American author born in Buffalo, New York, the son of Max and Lillian Jacobson. He cited the experience of growing up as the son of a vaudeville show producer as leading him to pursue his acting career as early as college...

. The book was first published in 1969.

Summary

Professor Bullfinch has created a machine for the government which will shrink objects and be used for spying. When Danny sneaks into the lab, he and his friends discover the machine and try to use it for a problem they have been dealing with at school.

Editions

McGraw-Hill

• (Paperback, 1969, illustrated by Paul Sagsoorian)
• (Hardback, 1969, illustrated by Paul Sagsoorian)

MacDonald and Jane's

• (Hardback, 1970, illustrated by Barbara Swiderska)

Archway Books

• (Paperback, 1971, #1 in their series)

Pocket Books

• (Paperback, 1983 reissue, illustrated by Paul Sagsoorian)