Mordecai and Rigby return with a fourth volume of well intended mayhem! It's the battle of the coffee shops, and it looks like there is no end in sight for this crazy caffeine war. Margaret and Eileen get ready to fight the war but it looks like Mordecai and Rigby might have a plan to help.to hopefully help.it might help but really, it's just going to be a lot of fun. Acclaimed cartoonist KC Green (GUNSHOW) returns to pair up with the amazing Allison Strejlau for another collection of hijinks based on the Cartoon Network animated comedy.