Whenever we go on a trip, we always take a puzzle book along with us. If I work on a crossword puzzle, I always have to start out with those that are considered easy.
Even then, I am not very good at them. I usually find myself getting frustrated after a short time and looking at the back of the book for an answer that might help me.
Even though I enjoy the challenge of a good puzzle, I would rather work on Sudoku than struggle with a crossword puzzle.