!!! Grassmann Algebra Volume 1: Foundations
is now available on Amazon !!!
Google: grassmann algebra book amazon
Grassmann Algebra Volume 2: Extensions, is currently in progress.
This site, valid as of 2009, is a heritage site expressly maintained to support the Mathematica versions and explorations leading up to the publication of Grassmann Algebra Volume 1 in 2012, now available in print form on Amazon.
The current support site for the book Grassmann Algebra Volume 1, (and eventually Volume 2) is grassmannalgebra.com. From grassmannalgebra.com you can explore Volume 1 in detail and download the latest version of the GrassmannAlgebra package. You can also download a GrassmannCalculus package. Both work with the latest versions of Mathematica.