Write yourself a Scheme in 48 Hours

A small bookmark to myself, wikibooks has an import of Johnathan Tang’s Write Yourself a Scheme in 48 Hours that I’ve come across.

http://en.wikibooks.org/wiki/Write_Yourself_a_Scheme_in_48_Hours

Looks quite good if you’ve already gone through the language cruft that all of the other tutorials put you through first.