How to Know and Grow Gesneriads Author:The Gesneriad Society, Inc. This 56-page manual, illustrated with numerous color photographs, is the first general reference on gesneriads to be published in many years. Written and edited by an expert panel of gesneriad enthusiasts, it is the essential resource for the beginning, intermediate, or advanced grower. "How to Know and Grow Gesneriads" includes an essay on ... more »"What is a Gesneriad"; a discussion of the kinds of gesneriads; descriptions and photographs of 25 popular gesneriad genera; and detailed cultural information.« less