Roget's Thesaurus has sold over 32 million copies since the original edition was published in 1852. It has become the indispensable companion for generations of English speakers and writers. It is firmly established as the authoritative reference work for improving command, creative usage and enjoyment of English. Now updated for the first time in ten years, this edition reflects the huge changes language has undergone in that time. The original structure of the book is maintained and it gives easy access to not only synonyms but related thoughts, feelings and topics.