NSU will host a free speaker and book-signing event with Rip Esselstyn — former professional athlete, firefighter and author of the New York Times best-selling book “The Engine 2 Diet” — in the Don Taft University Center’s Performing and Visual Arts Theater on Feb. 28 from 6:30 to 8:30 p.m. The event is sponsored by Whole Foods Market in Plantation and is open to the public.