1．The Three Tortoises 1
2．An Old Friend 8
3．Not Here 15
4．A Bad Doctor 22
5．Nothing to Complain About 29
6．A Good-Bye Gift 35
7．Good Value 41
8．Not Funny 47
9．The Right Tools for the Job 53
10．Paid in Full 59
11．The Wrong Question 66
12．Bananas Are Bad for You 73
13．Big John 79
14．The Wrong Medicine 86
15．Something in the Ear 93
答案 99