помогите перевести The story of Robinson Crusoe was based on

помогите перевести
The story of Robinson Crusoe was based on the real adventures of a sailor, who had lived alone for four years on a desert island. The author, however, added some adventures for his character. When Robinson Crusoe found himself alone on an island, he managed to live using only the things he had on the island. He also met a black man whom he called Friday. Friday became his friend.

Talk about your favourite book. Say:

what this book is about;

why you like it.
заранее спасибо