Oxford American Dictionaryです。右手の本は、The American Heritage
Dictionaryです。この本は”TIME"を定期購読するとプレゼントされる本です。
お薦めの英英辞典です。
Preface
This new member of the Oxford family of dictionaries has been prepared especially for those who need a compact, up-to-date guide to American
English. It contains words and phrases likely to be met in reading and everyday life, including a number od slang, informal, and technical words and phrases. Names of states of the United States
are included, as well as state capitals, terms used to designate the people of each state, and names of the provinces of Canada. Names of the countries of the world, including those not yet well
known, are also given , as are names of the capital cities and the terms uesd to designate the people of each country.