The ComSoc Guide to Next Generation Optical Transport: SDH/SONET/OTN provides an overview of synchronous digital hierarchy (SDH), synchronous optical networking (SONET) and optical transport networks (OTNs) for engineers new to the field. The 211-page resource is also appropriate for manufacturers, network operators and graduate students who need a basic understanding of the topics covered. Described are network architectures, frames and structures, packet transport, mapping methodologies and concatenation, among other subjects. Huub van Helvoort; Wiley-IEEE Press; Hoboken, NJ; 2009; $63.50.