Book excerpt: This authoritative dictionary has been compiled with the aim of giving an overview of the English, German, French and Italian names of mammals. The Basic Table contains, in alphabetical order, the scientific names of families, genera, species and sub-species and synonyms with the identified names detailed in all four languages. These are given in the singular for species and sub-species and in the plural for other terms. The synonyms and subspecies are offered in detail. The editor offers numerous alternative spellings of vernacular names. This dictionary is an outstanding guide for every researcher in mammalogy.