(Old Name: Metallurgy of Steel for Bladesmiths and Others who Heat Treat Forge Steel)

This book explains the metallurgy of steel and its heat treatment for non-metallurgists. It starts from simple concepts beginning at the level of high-school chemisty classes and building to more complex concepts involved in heat treatment of most all types of steel as well as cast iron. 

This book is THE practicle primer on steel metallurgy for those who heat, forge, or machine steel.