IT'S 1876 AND THE whole country is celebrating the 100th birthday of the United States. The biggest party is in Philadelphia at the World's Fair, where the latest and greatest inventions are on display for all to see. Alexander Graham Bell is headed to the fair to demonstrate his invention - a talking machine he calls the telephone. But will anyone come to see him at the world's most important science fair? And more importantly, will his machine work? This Step 3 reader celebrates the resilient, quirky spirit of inventors.

Monica Kulling has published many books for children, including a number of our Step into Reading titles. She lives in Toronto, Ontario.
　　Richard Walz is the illustrator of many popular SiRs including Babe Ruth Saves Baseball and Ben Franklin and the Magic Squares.

如果您的孩子學會如何應對生詞，并喜歡獨立閱讀，是時候升級到Step 3了。
關鍵詞--引人入勝的角色、容易理解的情節、與時俱進的熱門話題
這個級別中各具性格特色的主人公，便于理解的故事情節以及熱門的選題會讓孩子們對閱讀產生濃烈的興趣。書中眾所周知的的可愛主人公對于激勵小讀者保持閱讀習慣產生了非常正面的作用。