New York: St Martin's, (2002.) dj. Hardcover first edition - Seventh mystery featuring forensic geologist Em Hansen, set in Salt Lake City on the eve of the Olympics. Author's note. 307 pp,. ISBN: 0-312-253508.

New York: St Martin's, (2002.) dj. SIGNED hardcover first edition - Seventh mystery featuring forensic geologist Em Hansen, set in Salt Lake City on the eve of the Olympics. SIGNED on the title page. Author's note. 307 pp,. ISBN: 0-312-253508.

New York: Grosset & Dunlap, (1924). Hardcover - An interesting series written for older girls, featuring Polly Brewster, who grew up on a ranch in Colorado, and her friend Eleanor Maynard, but who are now far removed from their roots. Only includes 6 previous titles on title page. While this is almost a travelogue, with a minimal plot, and the comments on what they find is often prejudiced, this book does includes a look at the effects of earthquakes and tsumanis, and an interesting glimpse of nitrate mining in the Bolivian coastal region of Antofagasta. Illustrated with a glossy frontispiece and three inserted plates by H.S. Barbour. 280 pp.

New York: St Martin's, (2002.) dj. SIGNED hardcover first edition - Seventh mystery featuring forensic geologist Em Hansen, set in Salt Lake City on the eve of the Olympics. INSCRIBED on the title page "To - - with thanks." Author's note. 307 pp,. ISBN: 0-312-253508.

San Francisco: Chronicle Books, (1969.) dj. SIGNED hardcover first edition - A discussion of the dangers threatening San Francisco Bay and also of its importance to the area, not just in terms of wildlife and water, but in terms of climate, the impact earthquakes can have on filled land, etc. An important work, still timely. Illustrated with man black and white photographs of the bay and the surrounding areas.151pp. with list of photographers