In Your Dreams: The Ultimate Dream Dictionary, by Mary Summer Rain. ISBN 1571744339. In Your Dreams is the updated, revised, and expanded edition of Mary Summer Rain's Guide to Dream Symbols. This quick reference guide is essential for anyone exploring the power of dreams for personal transformation. Featuring more than 20,000 dream symbols—from Aardvark to Zucchini—this guide distills the essence of our night dreams into concise definitions that reveal the spirit in even the most mundane of images. Mary Summer Rain is the author of more than 20 visionary books, with combined sales totaling more than one million copies.