Crossword clues for the word: OPENBOOK The word OPENBOOK has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for OPENBOOK Showing 1 to 7 of 7 results Clue(s) """My life is an ___""" "Ingenue's countenance, e.g." Easiest kind of test? One that's clearly understood public order Something easily understood. Something fully known Test type