当历史变成冒险，孩子会主动追问：后来发生了什么？
A Crazy Day with Cobras (Magic Tree House #45)
Astérix et les Normands (Astérix #9)
Viking Ships at Sunrise (Magic Tree House, #15)
Winter of the Ice Wizard (Magic Tree House #32)
How a Seed Grows (Let's-Read-and-Find-Out Science 1)
Tonight on the Titanic (Magic Tree House, #17)
