Valles Caldera presents a summary of the significant geologic events that have taken place in New Mexico's Jemez Mountains region and describes the geology and volcanism of the Caldera. You don't have to be a geologist to enjoy this book but if you aren't familiar with geologic terms and names, a handy glossary explains them. 114 pages, color illustrations and photos. University of New Mexico Press, 2009, $18.95