John Peterson wrote the novel "The Secret Hide-Out" as well as this series of children's novels which were adapted into a TV series that aired from 1983-1985?
The Secret Hide-Out The Secret Hide-Out is a children's novel written and illustrated by children's author John Peterson, who also created "The Littles". It was originally published as a hardback title by Four Winds Press in 1965, then became a long-running paperback for Scholastic Press and its book clubs, through the 1970s.
Highways in Hiding Highways in Hiding is a science fiction novel by American writer George O. Smith. It was published in 1956 by Gnome Press in an edition of 4,000 copies. The novel was originally serialized in the magazine "Imagination" in 1955. An abridged version was published by Avon Books in 1957 under the title "Space Plague".