Jim Day, Behavioral and Social Sciences, will give a book talk and signing for his recently published Diamonds in the Rough. The event will take place Wednesday, Sept. 4, from 11:30 a.m.-1 p.m., in UMOM 220. Additionally, there will be a book-signing event Saturday, Sept. 28, at 9 a.m., at the Helena Museum on Hwy. 261 (Olde Town). The Cahaba Coal Field, the subject of Day’s book, helped define Helena.