Catalogue Number: E63-ZS9G
- Author: Kevin B. Eastman,Peter Laird
- Format: Hardback
- Publisher: Idea & Design Works
- Published: 23 April 2013
- ISBN: 9781613774960
- Volume 4 of the Teenage Mutant Ninja Turtles Ultimate Collection brings the start of a major Turtles storyline: City at War! Starting with the two-part Shades of Gray, get ready as Eastman and Laird strap themselves down and get back to making those TMNTs as the multi-part City at War explodes onto the comics page!