Sicp-examples is a project mainly written in Clojure, it's free.
Working through SICP
Let's see how far I get!
M-/ Fuzzy complete
M-. Jump to definitioninferior-lisp: C-c C-e Evals expression with inferior lisp interpreter
SLIME/SWANK: C-x C-e Evals expression in SLIME. When used with def provides symbols in repl.
REPL: M-p Re-loads previously run command