From 1969 to 1972, geologist Wendell Duffield conducted research at the Hawaiian Volcano Observatory at Kilauea. Here's one result, an abundantly illustrated and lively overview of volcanoes, volcanism, plate tectonics, hot spots and field work. He was fortunate enough (if that's the word) to witness a major eruption of Kilauea.  (HWI184, $16.00)