Our group moved in as stealthily as possible, the subtle sound of metal clanking was a bit aggravating as it gave every one of us a small jump whenever we moved in a 'wrong' way. Most of the noise was coming over from Vivian's armor and she was trying her best to move with the armor without it making a sound.
Though I would have liked if we didn't have to bring her with us, she must be there for the book, if she wants to obtain the magic, she has to be the one to touch the book after the owner dies.
There should come other methods to exchange skill books but that will take some time in the future before a special extraction technique is discovered. Right now this is the only way.
Bob, though slightly overweight was pretty nimble on his feet as he moved from shade to shade, making sure to keep the entirety of his body covered as he was scouting ahead.