THE MOVING WATERS (246 pp.)John Stewart CollisSloans ($3.75).
Author Collis proves that it is possible to write a good book about anything, no matter how obviousor. as Carlyle put it, "Is any thing more wonderful than another if you consider it maturely?'' Taking his title from Keats ("The moving waters at their priestlike task /Of pure ablution round earth's human shores"). British Agricultural Expert Collis maturely considers the simple wonders of water. He hymns them with the same appealing two-part harmony of science and poetry which Rachel Carson brought to The Sea Around Us....