Iceland Ablaze - Answers to the Questions You Ask - By Ari Trausti Guðmundsson and Ragnar Th. Sigurðsson.
This little gem of a book has some answers about the geology of Iceland and attempts to answer the most common questions people have about the hot springs, the volcanoes, glaciers etc. although not as in-depth and academic as Living Earth also available at the Grapevine Store. This one however is more richly illustrated with photographs of eruptions and natural wonders.
So helpful, fast service.