1985 Parachute Press(Scholastic Press) mass market paperback, 0590333852. Megan Stine/W.H. Stine(Mysterious Max series). If you're old enough to have played vintage computer games, this volume includes a final how-to chapter (called a reference manual) to program your Commodore or Atari!!. - Amazon
Megan Stine is an American author and editor known for writing more than 100 books for young readers. Her work includes teen etiquette, tie-in fiction, and bestselling Mary-Kate and Ashley titles. She has also developed television projects and works as a portrait and fine art photographer for Real U Guides.