If you're trying to solve the Newsday crossword and you got stuck on the clue Book with family trees on the endpapers, say then you're in the right place! We've been working hard on this Newsday crossword puzzle, and after gathering all of the other hints and relevant information concerning the clue Book with family trees on the endpapers, say we've finally found the answer. The answer we found for the clue Book with family trees on the endpapers, say is: