books.google.com - "An immensely useful manual with many attractive features: comprehensive and lucid keys, precise diagrams, annotated checklists and up-to-date references. ... there is no doubt that it should be seen as an example of the type of manual which is so badly needed in the study of the fauna of many shores...http://books.google.com/books/about/The_Light_and_Smith_manual.html?id=64jgZ1CfmB8C&utm_source=gb-gplus-shareThe Light and Smith manual
