The term 'TWO PAGES OF A BOOK' refers to two consecutive pages of a book, usually bound together. It is common for books to have multiple pages, and the two pages of a book are typically part of a larger section or chapter. The crossword solution for this term is 'LEAF, ' which is a single sheet of paper that is part of a book. A LEAF is usually printed on both sides, and when two leaves are bound together, they form two pages of a book.