Kilroy's Wonder Market Owner: Janis Tyrelle Opened: 2001 under current ownership, 1916 previously Cooperative: Allegiance Retail Services Location: 288 Rock Rd, Glen Rock, NJ Photographed: August 2019 Kilroy's Wonder Market, at 8800 square feet, is pretty small. But before its only expansion, the full-service grocery store was just 5600. For suburban New Jersey, that might seem tiny. And it is -- but Kilroy's Wonder Market seems to do quite well -- even if it hasn't changed much in the last 50 years, or maybe, because it hasn't changed much in the last 50 years. Kilroy's is quite different from the sleek, modern Superfresh at the other end of town. It's a great small-town market with just about everything you could ask for. You enter to produce along the left-side wall (the one facing the parking lot here), with meat and deli on the back wall. The grocery aisles run parallel to the front of the store, with frozen in the last o...