you give a warm, savannah welcome, to david quammen. >> thank, you, nancy thank you all. nancy does not like snakes. but that is okay. we talked about that, we talked through the, up next, spiders, everybody has their boundaries. thank you so much, bob and, diane thank you nancy, thank you savannah book first. thank you parishioners of trinity methodist church, it's great to be here, i'm honored and delighted to be here. it has been 35 years since i have been in savannah. and when i was last, here i was heading into the o'keefe gnocchi swap with john crawford, john crawfish crawford, one of your cherished local teachers, naturalists and he is here this. afternoon, which delights me, john. and we were headed into the o'keefe and o'keefe for five days of canoeing around, and slipping on the platforms, it was a magazine assignment for me. i had a magazine writing career giving me a license to go to while places and see wild things, and right about them. i'm going to talk about this book, breathless, the scientific race to defeat a deadly virus. and what is in it. i also want