現在，神奇樹屋的門已經打開，歡迎加入傑克與安妮驚險又有趣的知識之旅，和他們一起時空大冒險！美國知名兒童文學作家瑪麗．波．奧斯本（Mary Pope Osborne）創作的《神奇樹屋》（MAGIC TREE HOUSE®）系列，描述一對小兄妹傑克與安妮搭乘神奇樹屋穿梭時空的冒險故事。哥哥傑克，聰明冷靜、深思熟慮，熱愛書本和知識，他會將沿途看到的事物，重點式的記錄在筆記本上；而妹妹安妮，反應靈敏，喜歡
What causes an earthquake is a mystery -- until you go deep beneath the Earth's surface. Read on to find out what causes the incredibly destructive natural disaster -- the earthquake!
In this addition to the What Was? series, kids will experience what it was like to be in San Francisco in 1906 when the ground buckled in a major, catastrophic earthquake.One early April morning in 19
