Accompanied by approximately 215 photographs of the Mt. Katmai, Alaska region (the "Valley of Ten Thousand Smokes") , apparently by Donovon Church, a number of which are reproduced in the book. The book is inscribed by Griggs to Church, and additionally signed by Gilbert Grosvenor, president of the National Geographic Society. There is also a letter from Griggs to Church, stating in part that "your photography is much better than Kolb's."