点击购买此书全本PDF电子书
1．Beach House 2
海滩屋 3
2．The first secret 14
第一个秘密 15
3．A terrible accident 22
可怕的意外 23
4．Not one of the family 32
家里的外人 33
5．Home 44
家 45
ACTIVITIES:Before Reading 52
ACTIVITIES:While Reading 54
ACTIVITIES:After Reading 56