SICP on BiwaScheme
SICP (Structure and Interpretation of Computer Programs) is a famous programming textbook which uses Scheme.
Examples in SICP should be run on BiwaScheme, but you need some
(define nil '())
(define true #t)
(define false #f)
(define (random n)
(random-integer n))
https://github.com/shirok/Gauche-compat-sicp/blob/master/compat/sicp.scm