Evil Grows & Other Thrilling Tales
Loren D. Estleman
One Corpse Too Many
Ellis Peters
Brother Cadfael (2)
The Adventures of Tom Sawyer
Mark Twain
A Sea of Debt
Fahad Ahmad Bishara
Dead Reckoning: Calculating Without Instruments
Ronald W. Doerfler
More Rapid Math: Tricks and Tips: 30 Days to Number Mastery
Edward H. Julius
Rapid Math: Tricks and Tips: 30 Days to Number Mastery
Short-Cut Math
Gerard W. Kelly
How to Calculate Quickly: Full Course in Speed Arithmetic
Henry Sticker
Speed Mathematics Simplified
Edward Stoddard
The Trachtenberg Speed System of Basic Mathematics
Jakow Trachtenberg