The drawings of award-winning illustrator David Petersen are on display at St. Paul’s School’s Crumpacker Gallery until Feb. 23. The gallery is open to the public from 9 a.m. to 3 p.m. on Mondays, Tuesdays, Thursdays and Fridays, and from 9 a.m. to noon on Wednesdays and Saturdays. These particular works are not for sale.