TIBETAN PRAYER BOOK. Including: THE JEWEL ORNAMENT OF LIBERATION (GAMPOPA); RAIN OF WISDOM [inked on leaf verso]. Some leaves in manuscript, most printed text on loose leaves. Red-dyed carved wooden boards, loose, depicting praying figures; board versos painted in colour with illustrations of presumed gods or other deities and religious figures. Colour illustrations on manuscript leaves; printed leaves with some vignettes. All edges dyed red. 46 x 9 cm. Generally good condition, various imperfections. *Additional images and detailed condition report available upon request. *** The Jewel Ornament of Liberation is a key text in the Kagyu tradition of Tibetan Buddhism that is said to capture the essence of both the Kadampa and Kagy?pa lineages of Mahayana teachings. The text was written by Gampopa (1074-1153 C.E.), one of the most important disciples of Milarepa.