1. Sailing- Fiction. 2. Survival- Fiction. 3. Spirits- Fiction. 4. Navigation -Fiction. 5. World War, 1939-1945- Fiction. 6. Guam - History- Japanese occupation, 1941-1944 - Fiction. Summary: When Japanese Soldiers invade the island of Guam at the start of World War II, Thirteen Year Old native Napu and American Joseph, nearly as old, escape in a small sailboat, guided by the " Spirit of the voyage" and learning the secrets of ancient navigators as they go.