Dead in the Frame: A Pentecost and Parker Mystery
Stephen Spotswood
Pentecost & Parker (5)
The Complete Walker IV
Colin Fletcher & Chip Rawlins
So You Want to Talk About Race
Ijeoma Oluo
Cat Pay the Devil: A Joe Grey Mystery
Shirley Rousseau Murphy
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
Rapid Math: Tricks and Tips: 30 Days to Number Mastery
Edward H. Julius
More Rapid Math: Tricks and Tips: 30 Days to Number Mastery
Dead Reckoning: Calculating Without Instruments
Ronald W. Doerfler
Short-Cut Math
Gerard W. Kelly