Dorji Wangmo Wangchuck. A Portrait of Bhutan : Treasures of the Thunder Dragon / Ashi Dorji Wangmo Wangchuck - New Delhi : Penguin Group, 2006. - xii, 211p. ; col.ill. ; 24 cm. ISBN: 97800670999019 Dewey Class. No.: 954.98 / DOR