The Theater of Haruhi Suzumiya (light novel) — Nagaru Tanigawa

HARUHI’S SHOW MUST GO ON!Kyon has woken up in strange places before, but a classic fantasy world where Haruhi’s the legendary hero is a first, even for him. He can’t remember how he or the rest of the SOS Brigade got there, and it doesn’t seem like there’s any way to leave. Things get even stranger when the gang falls face-first into one genre after another—from spaghetti westerns to space operas! It looks like the only way to go home is to break a leg and get these shows on the road!