IDW Publishing Comics- Ghostbusters Volume 4 (also known as Ghostbusters- Who Ya Gonna Call?) is a trade paperback collection published on March 13, 2013.  It features a foreword by Michael Moreci and includes extra content such two pages of Making Ghostbusters Ongoing - Script to Final Colors , featuring page 16 and 19 of Issue #15, and art of Death and the Phantom Truck Driver from Dan Schoening's 13 Ghosts of Halloween 2012, colored by Andrew Harmon. The last page is an advertisement for the New Ghostbusters arc. A reprint was released on June 15, 2016 with a new cover by Carlos Valenzuela.
This trade paperback collects:
- The front cover used for advance solicitations reuses Cover A from Issue #13 whereas the actual front cover reuses the teaser for the Who Ya Gonna Call? arc (Issues #13-15).
- ↑ Previews World Who Ya Gonna Call 3/23/16
- ↑ Comixology Pullist Ghostbusters Volume 4 Page
- ↑ erikburnham Tweet 1/28/13
- ↑ Erik Burnham post Ghostbusters Fans 8/17/12
- ↑ Dan Schoening deviantArt "Guess Who's Coming to Save the World Again" 1/25/13
- ↑ Valzonline deviantArt "GHostbusters - Who Ya Gonna Call?" 3/30/16
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