He used the money for foreign travel to research his book.
I might have come to research a book, but there's life to live, too.
They agree to meet in Arizona to research a book.
Students can research books and materials easily by using computers.
She went to Guatemala to study the situation and stayed to research a book.
She has traveled throughout the world to research her articles and books.
I met Brown more than a decade later while researching a book on his high school team.
He was in the process of researching a book on the American novel at the time.
An author describes how he spent eight years researching a book on natural history.
He had collapsed two days earlier while researching his next book.