Ridgely, Robert S. A Guide to the Birds of Panama. Photo available. Princeton. Princeton University Press. 1976. Octavo. Hard cover. First edition. Illustrated in black, white and color. Very good copy (light shelf wear, soiling) in very good (light rubbing, edge wear) dust jacket (in mylar).

Price: $25	Book ID: 183602

Ridley, Matt. Genome. The Autobiography of a Species in 23 Chapters. New York. HarperCollins. 1999. Octavo. Soft cover. First edition. Very scarce in this condition. Fine copy.

Price: $15	Book ID: 144358

Riehl, Merrill L. Hoover's Water Supply and Treatment. Eleventh edition. Photo available. Washington. National Lime Assoc. c. 1976. Octavo. Hardcover. 11th edition. Illustrated. Important reference work. Fine copy.

Price: $15	Book ID: 184479

Riemer, Marvin F. The Telescope and The World of Astronomy. Photo available. Woodside. Scope. 1966. Octavo. Hard cover. Second edition. Illustrated. Chart in rear pocket. Fine copy in near fine (very light shelf wear) dust jacket (in mylar).

Price: $20	Book ID: 171212

Rifkin, Jeremy. The Hydrogen Economy. The Creation of the Worldwide Energy Web and Redistribution of Power on Earth. New York. Jeremy Tarcher. 2002. Octavo. Hard cover. First edition. Very scarce in this condition. Near fine copy, in very good (edge chipped on rear panel) dust jacket (in mylar).

Price: $20	Book ID: 137524

Riker, Tom. Sex in the Garden. The Gardener's Catalogue. Photo available. New York. William Morrow. 1976. Octavo. Hardcover. First edition. Illustrated. Fine copy.

Price: $20	Book ID: 177333

Ring, Malvin E., D.D.S. Dentistry. An Illustrated History. Photo available. New York. Harry N. Abrams. 1985. 350 pps. Folio. Hardcover. First edition. Illustrated in black, white and color. Important reference work. Fine copy in fine dust jacket (in mylar).

Price: $75	Book ID: 202092

Rintoul, William. Drilling Ahead. Tapping California's Richest Oil Field. Photo available. Santa Cruz. Valley Publishers. 1981. 291 pps. Octavo. Hardcover. First edition. Illustrated. Important reference work. Fine copy in fine dust jacket (in mylar).

Price: $50	Book ID: 209548

Rippon, John Willard. Medical Mycology. The Pathogenic Fungi and The Pathogenic Actinomycetes. Philadelphia. W.B. Saunders. 1982. 4to. Hard cover. Second edition. Illustrated. Fine copy.

Price: $15	Book ID: 175543

Rising, Turdy. Canadian Songbirds and Their Ways. Photo available. Montreal. Tundra Books. 1982. 4to. Hardcover. Second edition. Illustrated in black, white and color with paintings by Kathryn De Vos-Miller. Fine copy in near fine (very light shelf wear) dust jacket (in mylar).

Price: $25	Book ID: 179126

Ritchie, David. Superquake. Why Earthquakes Occur and When the Big One Will Hit. New York. Crown Pub. 1988. Octavo. Soft cover. First edition thus. Illustrated. Fine copy.

Price: $15	Book ID: 159493

Ritchie, James. Successful Alternate Energy Methods. Photo available. Farmington. Structures Pub. 1980. 4to. Soft cover. Illustrated. Fine copy.

Price: $15	Book ID: 174705

Ritershausen, Brian. Orchid Growing Illustrated. Photo available. Poole. Blandford Press. 1986. 4to. Hard cover. Reprint. Illustrated in black, white and color. Fine copy.

Price: $15	Book ID: 163520

Rithie, Carson I.A. Rock Art of Africa. Photo available. South Brunswick. A. S. Barnes. 1979. 4to. Hardcover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy in near fine (very light shelf wear) dust jacket (in mylar).

Price: $20	Book ID: 184922

Rittershausen, Brian and Wilma. Growing Orchids. The Complete Guide to Orchids and their Cultivation. Photo available. London. Hermes. 2003. 4to. Hardcover. First edition. Illustrated in black, white and color. Fine copy.

Price: $20	Book ID: 162576

Rittershausen, Brian. Growing Orchids. The Complete Practical Guide to Orchids and their Cultivation. Photo available. London. Hermes House. 2006. 4to. Soft cover. Revised edition. Illustrated in black, white and color. Fine copy.

Price: $15	Book ID: 164611

Rittershausen, Brian. Growing Orchids. The Complete Practical Guide to Orchids and their Cultivation. Photo available. London. Hermes House. 2006. 4to. Soft cover. Revised edition. Illustrated in black, white and color. Fine copy.

Price: $15	Book ID: 167368

Rittershausen, Wilma & Brian. Orchids. A Splendid Obsession. Photo available. San Francisco. Soma. 1999. Octavo. Hard cover. First edition. Illustrated in black, white and color. Fine copy in fine dust jacket (in mylar).

Price: $20	Book ID: 163749

Rivas-Martinez, Salvador et al. North American Boreal and Western Temperate Forest Vegetation. signed, presentation copy, (Syntaxonomical Synopsis of the Potential Natural Plant Communities of North America, II). Photo available. Leon. Itinera Geobotanica. 1999. 316 pps. 4to. Decorated hard cover. First edition. Illustrated. Important reference work. Large, folding map and synopsis in rear pocket. "Obsequio del Autor (signed)". Fine copy.

Price: $95	Book ID: 209039

Robbins, W.W. Weeds of California. Sacramento. Documents and Publications. 1941. 547 pps. Octavo. Hard cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 154778

Roberson, Don. Monterey Birds. Status and Distribution of Birds in Monterey County, California. Photo available. Carmel. Monterey Peninsual Audubon Siciety. 1985. Octavo. Soft cover. First edition. Illustrated in black, white and color. Fine copy.

Price: $15	Book ID: 165856

Robert, Marthe. The Psychoanalytic Revolution. Sigmund Freud's Life and Achievement. New York. Harcourt, Brace and World. 1966. 396 pps. Octavo. Hardcover. First edition. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $20	Book ID: 116393

Roberts, Helen. Elements of Mathematics. Reading. Addison-Wesley. 1956. 4to. Hardcover. Second edition. Illustrated. Fine copy.

Price: $15	Book ID: 131448

Roberts, Melville et al. Atlas of The Human Brain in Section. Photo available. Philadelphia. Lea & Febiger. 1971. 95 pps. 4to. Gilt decorated hard cover. Reprint. Illustrated. Important reference work. Fine copy (blind stamp on end paper).

Price: $20	Book ID: 202948

Roberts, Mervin. All About Iguanas. Neptune City. TFH. 1976. 96 pps. Octavo. Decorated hard cover. First edition. Illustrated in color and black & white. Fine copy.

Price: $10	Book ID: 109643