Ideas
Peter Watson
Implementing Discrete Mathematics: Combinatorics and Graph Theory ...
Steven Skiena & Anil Bhansali
Electromagnetic Surface Waves: A Modern Perspective
John Anthony Polo & Tom G. Mackay & Akhlesh Lakhtakia
Pocahontas: A Life from Beginning to End (Native American History ...
Hourly History
语言学入门
Stuart C. Poole & 刘润淸
The Merovingians; Kingship, Institutions, Law, and History
Alexander Callander Murray