Toshio Iwai Which One is It? Picture Book 3-Book Set from Mr. Iwai ◉ Which One is Strange? ◉ Which One is Which? ◉ Which One is in a Pinch? Set of 3 books. Includes cover box. The books themselves are in relatively good condition. There is one spot with a scratch or stain. Other than that, no other scratches or stains were found.