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.

如果您的孩子学会如何应对生词，并喜欢独立阅读，是时候升级到Step 3了。
关键词--引人入胜的角色、容易理解的情节、与时俱进的热门话题
这个级别中各具性格特色的主人公，便于理解的故事情节以及热门的选题会让孩子们对阅读产生浓烈的兴趣。书中众所周知的的可爱主人公对于激励小读者保持阅读习惯产生了非常正面的作用。