TSR, Inc. published the module in 1988 for the Advanced Dungeons & Dragons rules.
The module is a collection of adventures designed by Deborah A. Christian, Vince Garcia, Thomas M. Kane, David and Martha Ladyman, Christopher Mortika, John Nephew, Bruce Nesmith, Bill Slavicsek, Rick Swan, John Terra, and Ray Winninger.
Its interior art is by Chris Miller and Jeff Easley, and cartography by Dave LaForce.
OP1 Tales of the Outer Planes was edited by Gary L. Thomas, with art by Jeff Easley, and was published by TSR in 1988 as a 96-page book.
[1] Design: Deborah A. Christian, Vince Garcia, Thomas M. Kane, David and Martha Ladyman, Christopher Mortika, John Nephew, Bruce Nesmith, Bill Slavicsek, Rick Swan, John Terra, Ray Winninger Coordinators: Bruce Heard, Karen S. Boomgarden Editor: Gary L. Thomas Cover Art: Jeff Easley Illustrations: Chris Miller, Jeff Easley Cartography: David S. LaForce Typesetting: Betty Elmore, Kim Janke Distributed to the book trade in the United States by Random House, Inc., and in Canada by Random House of Canada, Ltd.