Gymnosperms, as a group, enjoy a unique position in the world of flora. The present book is an attempt to include important aspects of living (extant) and fossil (extinct) gymnosperms. It encompasses distribution, morphology, anatomy, reproductive biology, seed biology, ultrastructure and histochemical studies. The book gives a family-wise description of the group based on the representative genus with relevant information on other text for better and fuller understanding. Latest research findings have been included to make the text highly useful and meaningful. Chapters on forest biotechnology and economic importance are a special feature of the book. The book, besides being profusely illustrated, provides an extensive bibliography. Students of undergraduate and postgraduate classes would find information on gymnosperms under one cover.