Words in Time and Place: Exploring Language Through the Historical ...
David Crystal
Beyond the Blue Event Horizon
Frederik Pohl
Heechee Saga (2)
The Nature of Emotion: Fundamental Questions
Andrew S. Fox & Regina C. Lapate & Alexander J. Shackman & Richard J. Davidson
The Story of the World - Volume 2: The Middle Ages (Revied)
Susan Wise Bauer
离散数学结构
Bernard Kolman & Robert C. Busby & B.·科尔曼 (美)
Modeling Forest Trees and Stands
Harold E. Burkhart & Margarida Tomé