The Soldier Spies
W E B Griffin
Men at War (3)
Effective Altruism: Philosophical Issues
Hilary Greaves & Theron Pummer
Why Globalization Works
Martin Wolf
How to Have an Almost Perfect Marriage
Stephen Fry
Rapid Math: Tricks and Tips: 30 Days to Number Mastery
Edward H. Julius
More Rapid Math: Tricks and Tips: 30 Days to Number Mastery
How to Calculate Quickly: Full Course in Speed Arithmetic
Henry Sticker
Speed Mathematics Simplified
Edward Stoddard
Short-Cut Math
Gerard W. Kelly
Dead Reckoning: Calculating Without Instruments
Ronald W. Doerfler
The Trachtenberg Speed System of Basic Mathematics
Jakow Trachtenberg