volunteer fireman in san francisco, whose name twain would immortalize in his novel, the adventures of tom sawyer. the two met in 1863 when the 20 year-old mark twain befriended mr. sawyer over cards and drinks. it was during these casual meetings that sawyer relates -- relayed to twain stories of his youth. >> well, i actually left my cave. in the mornings i get up and at early dawn, and i haven't does provide editors the drawing. i like the drawing best. and that work -- i've had 10 books. all illustrated. i'm just having such a great time doing this stuff. so they asked me when i came your what were my prerequisites for writing the book. it's got to be simply place am going to write it, it takes 15 years, i've had books take that long, i'm going to finish but the other one, there can be another book. they can't be another book under the subject. i like a subject that's never been touched or you have the challenge of going back and digging and digging and bringing this to life. and the rule i have is let's say tom sawyer our mark twain came back today, they would say how do you know that? that'