The Planet Mappers

The Planet Mappers is a science fiction novel by American author E. Everett Evans first published in 1955. 

"An Adventure Story in the Space World of Tomorrow"

Space pioneer Tad Carver has brought his family on an expedition to look for new planets suitable for colonization. When Tad is badly hurt, his sons and wife must continue with the mission.

Edward Everett Evans (1893-1958) was an American science fiction author and fan. His works included the novels Man of Many Minds (1953), The Planet Mappers (1955), Alien Minds (1955), and the posthumously-published collaboration with E. E. "Doc" Smith Masters of Space (1962); and the collection Food for Demons (1971).