Books by Ervin Hartmann
Guide to Building Your Own Shi
Guide to Building Your Own Shipping Container Home, Tiny House and 35 DIY Outdoor and Indoor Projects for Comfort Living : (How to Build a Small Home, DIY Blacksmithing Projects, DIY Woodworking Projects)
Woodworking and Blacksmithing:
Woodworking and Blacksmithing: TOP 35 DIY Outdoor and Indoor Projects for Beginners : (Home Woodworking, Blacksmithing Guide, DIY Projects)
An introduction to crystal physics