Kristine Kershul

Kristine K. Kershul is an American author, publisher, linguist and teacher. Kershul founded Bilingual Books, Inc. in 1981 with the publication of her first book, ''German in 10 Minutes a Day'' and the development of the ''10 Minutes a Day'' Series. She has authored books, audio, phrase guides and interactive computer software for 20 languages. Provided by Wikipedia