Crossword Puzzles: The Mind Mixer Volume 5Paperback, 30 September 2015

Did you know that learning is much more effective when you are in control of your pace? That is why crossword puzzles are highly recommended because they allow you to acquire new knowledge whenever you want to. The clues will get you thinking, while the quantity of questions per puzzle will help you find your flow. Crosswords are truly effective learning experience. Grab a book now!