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 Littles The Littles is a series of children's novels by American author John Peterson, the first of which was published in 1967. Sixteen years later, Peterson's books were adapted into "The Littles", an animated series by DIC Entertainment. The television show ran on ABC Saturday mornings from September 10, 1983 to November 2, 1985 for three seasons and 29 episodes. In 1985, DiC released an animated feature film spun off the series titled "Here Come the Littles".
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".