Harrap's flagship title is the culmination of several years' work by a large team of experienced lexicographers and translators. The Unabridged is the most complete bilingual dictionary available and offers more information that any other general bilingual dictionary. Supplements Both volumes of the Unabridged contain practical and encyclopedic supplements that provide even more detailed comparisons between both languages and cultures (eg Communication Guide, Military Ranks, Administrative Divisions and Bilingual Chronology).