Hogan Thom. Discover Forth. Learning and Programming The Forth Language

Osborne|McGraw-Hill, 1982. — ISBN: 0-931988-79-9.Describes FORTH Syntax as Applied to Both FORTH-79 & FigFORTH, with Notes on Logical Extensions & Alternatives to Standard Syntax.This book is an attempt to put what I've learned about F O R T H into a coherent, organized introduction that others new to the language will
appreciate. Some of the material here is a tightly structured synthesis of material that appears in F O R T H programming manuals, the F O R T H Interest Group's 3 publications, and a few commented programs I have been able to obtain from serious F O R T H programmers.