Hi--
I'm writing the Spoon book. Its structure is loosely based on the "blue book" ("Smalltalk-80: The Language and Its Implementation" by Adele Goldberg and David Robson). You can read the current draft at:
http://netjam.org/spoon/the%20Spoon%20book.pdf
Thanks for any feedback!
-C
spoon@lists.squeakfoundation.org