Elements of Electromagnetics
Sadiku, Matthew N. O.
Signals and Systems
Alan V. Oppenheim & Alan S. Willsky & with S. Hamid
Prentice-Hall signal processing series (0.0)
Unfree Speech
Joshua Wong & Ai Weiwei
汴京残梦
黄仁宇
National Geographic Extreme Weather Survival Guide
Thomas M. Kostigen