these are scenes from huckleberry finn. and then the salesman would look at the house and he'd say oh, they have a lot of black leather, now, we have a special edition, we can also print it with this beautiful leather here. and then they would see in the house books that are bound in calf. and they would say, but if you have a lot of calf books we're going to issue this in a beautiful calf edition. the american antiquarian society has over 400 salesman prospectuses. i don't know if they have this one or not. but it's a marvelous copy. and there's a way to study a book's history because it tells you how people were hungry for books. book salesmen going door to door. because mark train was already eminently collectible, they would want to have his book. and in those days they would say for 1.7 5ds you can have it with, for $1.95 you can have it with this binding, i don't remember the prices. and then in the back you can see this is where the people would sign their names and their address and then the style of binding. that's