brooke barbier is a public historian who holds a ph.d. american history from boston college. in addition to king hancock, she is the author of boston and the american revolution a town versus an empire, published by the unit excuse me, the history press in 2017, which focuses on pre-revolutionary boston and its during the american revolution. in addition to her scholarship, she is also the founder of yield tavern tours, a popular guided outing along boston's renowned freedom, and that was founded in 2013. but before i hand over to dr. barber, however, the usual housekeeping items are in order for our friends tuning in with us on zoom this evening following tonight's author's talk there will be a question and answer session. so please feel free to submit your questions at any point. the presentation by using the q&a that can be found at the bottom of your screen. and we will do our best to incorporate them with our live audience. questions should you have any related questions or comments those can be submitted by using the chat function and one of our staff members will do be