Michael Harlan Turkell, award-winning food photographer, and Megan Krigbaum, contributing editor of the Punch online magazine, will be visiting Union Woodshop Shop, 18 S Main St, Village of Clarkston, from 6 to 8 p.m. Thursday, Dec. 21. The husband-wife duo will be signing copies of their books at the events - Turkell's "ACID TRIP: Travels in the World of Vinegar" and Krigbaum's "Essential Cocktail Book.