Book of Donmon Teith

The ultimate guide to Crystal programming covering all its fundamental concepts such as OOP and concurrent programming to help you write readable and safe code

Crystal is for Ruby programmers who want more performance, or for developers who enjoy working in a high-level scripting environment. Crystal combines native ex

In this lavishly illustrated guide is all the information needed to choose, cleanse, and program crystals. Along with a colorful directory and explanations of t

The Zenned Out Guide to Understanding Crystals covers everything you need to know about crystals and their unique healing properties. This is your spiritual gui

Consuming energy instead of blood, psychic vampires come in a variety of unsuspecting guises. This unique approach to the subject will introduce you to a trio o