Danny Dunn and the Swamp Monster is the twelfth 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 1971.

Plot introduction

Professor Bullfinch and Doctor Grimes take Danny and his friends to beginning of the Nile River in Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

 to investigate local legends of a swamp monster. Despite unforeseen calamities, a new, rare species of electric catfish

Electric catfish

Electric catfish is the common name for the catfish family Malapteruridae. This family includes two genera, Malapterurus and Paradoxoglanis with 19 species. Several species of this family have the ability to produce an electric shock of up to 350 volts using electroplaques of an electric organ...

is discovered.

Editions

McGraw-Hill

• (Paperback, 1971, illustrated by Paul Sagsoorian)
• (Hardback, 1971, illustrated by Paul Sagsoorian)

MacDonald and Jane's

• ISBN 0-356-03965-X (Hardback, 1972, illustrated by Anne Mieke)

Archway Books

• (Paperback, 1979, #6 in their series)

Pocket Books

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