Signals and Systems
Alan V. Oppenheim & Alan S. Willsky & with S. Hamid
Prentice-Hall signal processing series (0.0)
麦田里的守望者
罗姆•大卫•塞林格
围城（爱熄灭了灯，心围一座城。出版[..]
钱钟书
十景缎
方寸光
National Geographic Extreme Weather Survival Guide
Thomas M. Kostigen