Paperback. Zustand: Near Fine. Illustrated by Sandra G. Power (illustrator). First Edition. Book is in excellent condition. Companion volume to the author's, "The Pearl Makers: The Tidemarsh Guide to Clams, Oysters, Mussels and Scallops". It is noted as a frame of reference, that the tidemarsh productivity per unit area is as high or higher than mountainside, lake, plain, valley, bog, Philippine rice paddy or Kansas wheat field. "; B&W Illustrations & Map; Small 8vo 7½" - 8" tall; 240 pages.