ZIM's defective SIR unit has long been a thorn in his side, creating more problems than he fixes. Wait, does he fix any problems at all? Humans DO seem to like GIR, though. Can the reason be found in one of these four GIR-focused stories we pulled from the Invader ZIM comic series? Eh, that's a long shot. Can the secret recipe for Flamin' Hot Cheezos be found in this book? Much more likely.