Today is doomsday for a young Venezuelan Indian boy's beloved rain forest and its animal life?unless he and a visiting naturalist can save it. "George makes drama large and small out of the minute-by-minute events in an ecosystem . . . gripping ecological theater." ?C. "An example of nonfiction writing at its best." ?SLJ. <P> <awards> Notable 1990 Children's Trade Books in Social Studies (NCSS/CBC)<br>Outstanding Science Trade Books for Children 1990 (NSTA/CBC)</awards>