Technology & Engineering

The Sky Detectives; Or, How Jack Ralston Got His Man

The Steam Engine Explained and Illustrated

Tunnel Engineering: A Museum Treatment

Napoleon’s Heavy Cavalry

The Manufacture of Paper

How Drones Fight

A Text-book of Tanning

Year-Round Vegetable Production

Linotype Manual

Keeping Sheep

Creative Stitched Shibori

The Slot Car Handbook

The Smell of Kerosene

Sniper and Counter Sniper Tactics – The Official U.S. Army Manual

Improvised Munitions Handbook

Following Jesus in a Warming World

Panzer IV Medium Tank

Tom Swift and His Air Scout; Or, Uncle Sam's Mastery of the Sky

Farm Engines and How to Run Them: The Young Engineer's Guide

A Project for Flying: In Earnest at Last