April 2-28, 10 a.m. to 6 p.m. Up River — Selections from the Captain Bill Abbott Collection. During the month of April, the Camden Public Library will host an exhibit of vintage photography in the Picker Room Gallery curated by the Penobscot Marine Museum, in honor of “Maritime Month.” The display will feature images collected by Captain Bill Abbott, the founder of the Penobscot Bay and River Pilots Association, and a mentor to countless port pilots. There will be a complementary Zoom event on Tuesday, April 26, from 6:30-7:30 p.m. to discuss Captain Abbott and the photography. Visit librarycamden.org for details.