I love doing puzzles.
I really enjoy puzzles because they test my knowledge.  DO you like puzzles?
I do like puzzles. They are fun.
Types of crossword puzzles.
Crossword grids such as those appearing in most North American newspapers and magazines feature solid areas of white squares. Every letter is checked (i.e. is part of both an "across" word and a "down" word) and usually each answer must contain at least three letters. In such puzzles shaded squares are typically limited to about one-sixth of the total. Crossword grids elsewhere, such as in Britain, South Africa, India and Australia, have a lattice-like structure,
had been doing, but this caused me to leave out certain elements that are vital for me: surprise, speed of action, stretching the reader's credulity, and above all the intimacy with the murderer himself. I am not an inventor of puzzles, nor do I like secrets. The result, after rewriting the book four times in a gruelling year of work, was mediocrity. I always say to foreign publishers, and to publishers who contemplate a reprint, "This is my worst book, so please think twice