Baby has arrived, and he is undoubtedly the most gorgeous human being ever created. But with all that feeding, rocking and napping, it could be a while before your friends and family actually meet the little one. Your baby announcements or thank-you notes may just be the first impression they get of your bundle of joy, and as the saying goes, you don’t get a second chance to make a first impression. Few know this better than the experts at Lion in the Sun in Park Slope, where you can find the prettiest paper goods in town. Help your urban babe achieve some cool local flavor with five baby stationery picks from Lion in the Sun owner Melinda Morris.