This book lists 16,647 core English words that are listed alphabetically. [Sample]adventure [?dvent??r] [?] ??adventurer [?dvent??r?r] [?] ???adventuresome [?dvent??rs?m] [?] ????, ???adventurous [?dvent??r?s] [?] ???? ??adventurously [?dvent??r?sli] [?] ????, ?????This book is ideal for Korean who want to learn English as a second language and want to communicate more effectively through 'stressed syllables'.* Please refer to the website for more information. www.corevoca.com