The original Expanded Universe saw Boba escape the Sarlacc he was dumped into during Return of the Jedi, and covered his extensive work as one of the most famous bounty hunters in the galaxy.
To start, most Star Wars fans are aware that Boba Fett was fleshed out to be a far more imposing and interesting character than he was portrayed to be in the Star Wars films.
There’s a lot more to this guy than the doofus whose rocket malfunctioned and sent him immediately to his death.