Well we have six people will to play a one person saying he will take in other players so it is on you as the GM to figure out how you want to handle but we could split the people into 3 and 3 or 4 and 2 or take all six whatever your jam is. As for the books if you can't find any you can always buy them off of Shadowruns main website. http://www.shadowrun.com/
I don't read as much fiction as I used to, but here are the books I am either currently reading or just finished reading: