If you haven't already, you should have a look at the free Pharo by Example book. http://www.pharobyexample.org/ http://www.pharobyexample.org/ The Blue Book (

If you haven't already, you should have a look at the free Pharo by Example book. http://www.pharobyexample.org/ http://www.pharobyexample.org/ The Blue Book (Smalltalk-80: The Language and its Implementation by Adele Goldberg and David Robson) is quite old but still one of the best book about Smalltalk. You can get it for free in PDF.