the practical encyclopedia of orchids The Practical encyclopedia of orchids A complete guide to orchids and thier cultivation / [[Book] :] Wilma & Brian Rittershausen ; special photography by Derek Cranch. . - 1st ed . - London : Hermes House, 2007. - 256 p : ill ; col ; 35 cm. All age. ISBN: 0681140380 Subjects--Meeting Names: Orchid culture. Subjects--Uniform Titles: Orchids. Dewey Class. No.: 635.9344 National Library of Medicine Call No.: 635.9344 / R P