Sikkim - Himalayan Rhododendron(Collectors Edition), 1990. By Udai C. Pradhan and Sonam T. Lachungpa. ISBN 81-85423-01-6. Size 35.5cm x 25.5cm. 49 life size plates. Clothbound. Total copies printed 261. 36 uncoloured copies on Desho, Bhutanese handmade paper and 46 uncoloured copies on ivory paper left. This edition will not be reproduced again. Review Journal of American Rhododendron Society, Vol. 45 No. 4(1991). To have the plates hand-coloured please give 6-8 weeks for delivery.