内容简介：
This charming story appeals to elementary school age children who love animals and like a mystery. Parents and grandparents will enjoy reading it aloud be reminded of stories they loved in the past. The book engages children with clues, surprises, sweet animals, dangers, and imaginary adventures without using magic wands, unicorns, dragons, or extra-terrestrials. David is a fourth grader who visits his grandparents' farm where he has many adventures with their miniature donkeys. The suspense starts early one morning when Sheriff Kyle drives to the farm to warn David's grandparents about a possible danger. David is a clever boy and he thinks he is capable of solving mysteries and finding hidden treasure. The fun starts when he finds a hidden clue behind his bookcase. Who put it there? What does it mean? Does it have anything to do with what Sheriff Kyle warned about?