Summer Institute of Linguisitics, Manila, 1995. First Edition. Paperback. Cover sunned/creased, interior clean and unmarked. In Tagakaulo Kalagan. Designed to instruct pre-literate reading and writing by the Tagakaulo Kalagan people of Davao del Sur and Sarangani provinces in the Republic of the Philippines. 265pp. B/w illus. 1st ed.