The crossword solution for the term 'BLUEBERRIES FOR ___ (PICTURE BOOK)' is SAL, which is a three-letter word. The phrase is the title of a children's picture book written by Robert McCloskey and published in 1953. The story follows a young girl named Sal who goes blueberry picking with her family in Maine. The book has been praised for its beautiful illustrations and its depiction of a traditional summer outing.