張瑪利校長
Dear KHN students,
I am so happy to have read this book. I would like to thank Ms. Ho Lai Yee who lent this book to me. This is a very good book. From it, you can learn the story about the adventures of how Jack and Annie's brother and sister saving four great scientists. How they completed their mission and finally found that it was a valuable experience for them after all. Inside this book, you will meet the following four men. They are:
1. Alexander Graham Bell (inventor of the telephone),
2. Thomas Alva Edison(inventor of the incandescent light bulb),
3. Louis Pasteur(inventor of the process of pasteurisation and also developed vaccines for several diseases), and
4. Gustave Eiffel(architect who built the Eiffel tower in Paris France).
They are all great man in the history of their own field. Do you want to know the magic of their success? I am sure you will have your own achievement if you know the secrets of success. Please read the book and tell me or write to me when you find them. Good luck to every one of you.










