Okay, so Infamous let me read his comicbooks and this is how it goes....Comicbooks are NOT canon, but anyway.
Boba Fett is spit out by the Sarlacc, totally KOed and found by Jawas (they think he's a droid or borg,Jawas appenrently don't see Mandalorians too often). They stick him in the Sandcrawler, Han Solo arrives and finds Fett,who oddly enough can't remember anything that's happened to him. He helps Han out, oddly getting his memory back right before the crawler takes a dive in the pit (it was messed up by a tusken attack btw).
This is Marvel's Jawas of Doom which is terrible. Mostly there was a big scream to bring Boba back so they did,rather badly, and sent him right back to the pit again.
Fett reappears in Dark Horse comic's in Dark Empire 1 only saying that the Sarlacc found him undigestable leaving it to the reader's imagination on how exactly he got out (Dengar is with him btw). He also shows up in Dark Empire 2.
Tales of Jabba's Palace a book of short stories has Fett basically grenading the Sarlacc and crawling his way out. He gets out on his own,but is pretty messed up. Dengar finds him, apparently doesn't hold a grudge and you're off the the Bounty Hunter Wars novel series. A side note Fett shows up in several of the "Tales of" books.
He gets his own miniseries in dark horse collected together now, called "Death,lies and trechery" and a few other comicbook oneshots.
Fett doesn't reappear again in book form until the NJO novel Unified Force where he helps Han out of a jam with the Vong. And most currently in Bloodlines and the ebook Practical man.
I might have missed some, but that's basically it.