. >> up next, booktv sat down with george washington university professor marcy norton to discuss her book, "sacred gifts, profane pleasures." this is about 20 minutes. >> george washington professor marcy norton, where did snickers bar and mara broke him from? >> well, we have to go way back in time, tobacco and chocolate are both native to the americas. and were developed by indians. tobaccos in the distant past several thousand years b.c. and a cow which is the raw central ingredient to chocolate, likewise, made about 3000 b.c. and so they were central to native americans and when europeans had no knowledge of that until they arrived starting with columbus in 1492. and went from their. >> how would they use in these ancient cultures? >> so, tobacco was used in a whole multitude of ways. smoked, cigars, pipes, sort of cigarette like substances also use topically as medicines, snuffed through the nose. in the most. a whole host of applications, sword bearing depending on the region. chocolate had a more restricted domain. so what really important is to remember is that it was a bever

>>host: we have been talking with marcy norton history professor at george washington university and the author of this book "sacred gifts, profane pleasures" a history of tobacco and chocolate in the atlantic world" >> ien had a special collections for the lsu library. today we're were the special collections is house. and has a variety of different parts. today i will talk about and i know from the lower mississippi valley collection that is a a premier collection. it documents the documents the culture of lower mississippi valley from colonial area era through present-day it has journal's 10 newspapers as well as unpublished manuscripts like this volume that is one of our jules this ok was kept by leonard claiborne appointed by jefferson to receive louisiana from the french for the louisiana purchase. it is amazing he was only 28 at the time and was governor within the mississippi territory. this is the correspondence he said back to madison and other officials to let them know how it was going here in louisiana after the changeover. not always smoothly. the thing to think about i