David & Anita Smither reside in Lubbock, Texas. He is a musician and author of THE PIANO HYMNAL, numerous other keyboard works, and originator of the INTERVALLIC SYSTEM copyright 1978. She is a school teacher and editor of many of his books. They have collaborated on ADDING RUNS TO MUSIC, CLASSIC AMERICAN NATURAL DESSERTS, CAN OPENER COOKING, and BELIEVE AND SPEAK, a daily devotional booklet for renewing the mind.