The GNU extension language


Guile Reference Manuals
Guile's reference manual is included in each Guile distribution and should be accessible, once you have installed Guile, via Emacs's Info mode. We also provide a copy of the reference manual for each recent Guile release series here.

Guile Tutorial
This tutorial by Daniel Kraft explains step-by-step how to use guile in a straightforward Logo-like ("turtle graphics") application. (Texinfo source).