Kurth Sprague. John Groth, illustrator.The Promise Kept.Austin: The Encino Press, 1975. First edition. Signed byKurth Sprague and John Groth with an original drawing by Groth. Oblong quarto. 97pp. Illustrated with drawings by John Groth. Publisher's brown quarter over gray pictorial paper-covered boards, spine lettered in gilt, front cover lettered and decorated on black and brown, original acetate dust wrapper.Designed by William D. Wittliff. From the collection of Bill Wittliff, highly regarded book designer, typographer, photographer and screenwriter from Austin Texas, founder of the Encino Press. . Boards lightly rubbed, sunned; and soiled.