TSE-LOK HO is Professor of Organic Chemistry at National Chiao Tung University in Taiwan. His research interests are in organic synthesis, including total synthesis of natural products and methodology. He has written 12 books, including, most recently, Stereoselectivity in Synthesis, available from Wiley. Dr. Ho holds degrees from National Taiwan University and the University of New Brunswick, Canada.

• Synthesis of Symmetrical Molecules. Two-Carbon and Three-Carbon Building Blocks. Four-Carbon Chain Building Blocks. Symmetrical Aliphatic Compounds: Five-Carbon and LongerChains. Five-Membered Ring Synthons. Six-Membered Ring Synthons. Noncommon-sized Ring Synthons. Symmetrical Heterocycles as Building Blocks. References. Index.