rachel and seth garfield. great rachel is the author of the new book i feel mdma and the quest for in a fractured world. she previously written for new york times scientist the american national geographic and her previous book was an unbelievable tour de force called poached. it was a study of the billion dollar a year illegal trade in which she traveled to more than a dozen. speaking of, she joins us today here from brooklyn. welcome to austin and a pleasure have you, rachel. thank you so much for having me. and then a little closer to home is my friend seth garfield, who has written the book warrior. now how brazil embraced the world's most rich plant. seth is a distinguished professor at the university of texas at austin. didn't to come quite as far as rachel did to attend here today. and one thing that i'd like to say in terms his role as a history professor at ut, we just found out this week. i believe that his book won the grand prize for the distinguished hamilton award, which is both by the university