ECHO is a networking organization. Many people have contributed their insights and experiences, or called to our attention relevant materials, or provided us with seeds. This book would not have been possible without them. Keep writing to us!
Christi Sobel is the primary illustrator of this book, designing the cover and most of the artwork. We appreciate her fine talent, versatility, flexibility, and service. An Eastern College graduate with degrees in studio art and biology, her work combines her love of art and fascination with the intricacies of nature. Christi works in several art media and can be contacted for freelance work at 219 White Church Road, Brooktondale, NY 14817, USA.
We appreciate Dr. Frank Martin's willingness to share his expertise by writing numerous technical documents, several of which are included in this book. It is also a pleasure to thank Herb Perry for his faithful help in editing each chapter, and all the staff and interns at ECHO who offered encouragement and assistance.
Some pictures were also taken from the copyright-free books Clip Art for Development and The Copy Book. These resources are reviewed on page 363. We thank Ann Winterbotham and the other artists who also donated their work.
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