爺爺帶著二個孫子一起去散步，沿途中爺爺就設計了好幾個數字的謎語，例如”What has eight feet, two tails, and pulls a wagon?”…等等，你猜得出答案嗎？很生活化也很有趣的謎語。適合6歲以上兒童閱讀。
During their walk through the town, a grandfather and his grandchildren use clever riddles coupled with friendly animal and number clues to describe what they see.
