<P><B></B>This book presents a set of patterns that organize all the informal experience successful Smalltalk programmers have learned the hard way. Understand these patterns, and you can write much more effective code. <B></B>Understand the concept of Smalltalk patterns and why they work. Then learn patterns for working with methods, messages, state, collections, classes and formatting. Walk through a development example utilizing patterns.<B></B>Smalltalk programmers, project managers, teachers and students -- both new and experienced. </P>