Classes will be held Tuesdays through Fridays in Houston, Jan. 13-16 and 20-23; Feb. 10-13 and 24-27; March 9-12 and 23-26; April 13-16 and 27-30; May 11-14 and 25-28; June 8-11 and 22-25. For more information, telephone (713) 869-5811.