Tasa books available on the iBookstore
Grand Canyon National Park Geology Tour is a narrated photographic tour of the South Rim of the Grand Canyon with an emphasis on the geology. This multi-touch book gives insight into the geology of one of America’s most spectacular parks and the surrounding region: the Colorado Plateau.
Arches National Park Geology Tour provides an illustrated and narrated introduction to the geology of Arches National Park. Either as a supplement to your visit or as a planning tool, Arches National Park Geology Tour mobile book provides an extensive description of the geology of the park.
Focus on Earthquakes provides a comprehensive description of the causes and consequences of earthquakes. For schools, this interactive book can be used as an in-class tool or for independent study.