Philosophical and Mathematical Logic
Harrie de Swart
Stop Guessing: The 9 Behaviors of Great Problem Solvers
Nat Greene
The Bourne Ultimatum
Robert Ludlum
Fractal Geometry: Mathematical Foundations and Applications
K. J. Falconer
Psychology of the Unconscious
Carl Gustav Jung & Beatrice M. Hinkle
Crusades
Nikolaos Chrissis
The Crusades and the Christian World of the East: Rough Tolerance
Christopher Hatch MacEvitt
The Crusades and the Expansion of Catholic Christendom, 1000-1714
John France
The Crusades and the Near East
Conor Kostick
The Crusades, 1095-1197
Jonathan P. Phillips
The Crusades, Christianity, and Islam
Jonathan Riley-Smith & Dixie Professor Of Ecclesiastical History Jonathan Riley-Smith
The Crusades
Mike Paine
Yli Remo Vallejo
Timothy L. Biel
Nikolas Jaspert
John Child & Nigel Kelly & Martyn Whittock
David Nicolle
Crusades, the Titanic Clash of Cultures in the Holy Land
All About History (2018)
The Crusades: A History From Beginning to End
Henry Freeman
Hourly History
The Crusades: A Short History
Jonathan Simon Christopher Riley-Smith
The Crusades: A Very Short Introduction
Christopher Tyerman
The Crusades: An Encyclopedia - Volume I: A–C
Alan V. Murray
The Crusades: An Encyclopedia