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.
Nate the Great Nate the Great is a series of more than two dozen children's detective stories written by Marjorie Weinman Sharmat. Alternatively, Nate the Great is the main character and title character of the series, a boy detective. Sharmat and illustrator Marc Simont inaugurated the series in 1972 with "Nate the Great", a 60-page book published by Coward, McCann & Geoghegan, and Simont illustrated the first twenty books, to 1998. Some numbers were jointly written with Marjorie's sister Rosalind Weinman, husband Mitchell Sharmat or son Craig Sharmat, and the last six were illustrated by Martha Weston or Jody Wheeler "in the style of Marc Simont". Several of the books have been adapted as television programs, one of which won the Los Angeles International Children's Film Festival Award ("Nate the Great Goes Undercover"). The New York Public Library named "Nate the Great Saves the King of Sweden" (1997, number 19) one of its "100 Titles for Reading and Sharing".