An A-Z of English Grammar and Usage
Geoffrey N. Leech & Benita Cruickshank & Roz Ivanic
A History of the Crusades: Volume 2, the Kingdom of Jerusalem
Steven Runciman
A Study of History - Volume 6 - Disintegration of Civilizations
Arnold J. Toynbee
Professor Stewart's Hoard of Mathematical Treasures
Ian Nicholas Stewart
Discourse and Practice: New Tools for Critical Discourse Analysis
Theo van Leeuwen
Basic Exercises for Competitive Programming: Python
Jan Pol