Bookstores If you want to purchase from a bookstore, try: Conroe Texas Top Cop (936) 441-8827 Dallas DPSS Inc (214) 384-9474 Houston Central Police Supply (713) 225-4394 Discount Uniforms (713) 661-4554 C & C Wholesale Supply (713) 681-2120 San Antonio L & M Bookstore (210) 222-1323