[2] Tobin's Spirit Guide was written by Kim Mohan with Robert S. Babcock, with art by Timothy Mullen, and was published by West End Games in 1989 as an 80-page book.
[3] In 2016, Insight Editions published an unrelated book of the same title written by Erik Burnham to tie in with the release of the Ghostbusters reboot movie.
The book features concept art from the new movie and interviews with some of the actors and producers.
[1] Stewart Wieck reviewed Tobin's Spirit Guide for White Wolf #20, and gave it a perfect rating of 5 out of 5 overall, stating that "If you play GBI [Ghostbusters International], this supplement is a better buy than any adventure West End Games could possibly produce for the game.
"[2] In the September 1990 edition of Dragon (Issue #161), Jim Bambra gave the book a strong recommendation, saying, "Here's lots more of the pesky slimes for your Ghostbusters to trap.