By Timothy Budd; Addison-Wesley, 1987, ISBN 0201106981. Guide to line-oriented semi-subset of Smalltalk-80 coded in C, by author; good introduction to elementary object-oriented programming. [Amazon.com]
By Michael A. Hiltzik; HarperBusiness, 1999, ISBN 0887309895. By author of The Soul of a New Machine, accessible history of Xerox PARC in 1970s/80s. Purchase sources, chapter sample, author information. [publisher website]
By Wilf R. Lalonde; Addison-Wesley, 1994, ISBN 0805327207. An introduction to language, detailed coverage of fundamental object-oriented programming concepts: objects, parts, methods, classes, inheritance. [Addison-Wesley]
By Wilf R. Lalonde, John R. Pugh; Prentice Hall, 1990, ISBN 0134684141. Introduces this object-oriented programming language, focusing on classes, subclassing, inheritance, message passing. [Amazon.com]
By Wilf R. Lalonde, John R. Pugh; Prentice Hall, 1991, ISBN 0134659643. Explores Smalltalk system as a potent and efficient prototyping and development environment. [Amazon.com]
By John R. Bourne; CRC Press, 1992, ISBN 025611210X. Introduces understanding and using object-oriented methodologies for engineering problem solving, focus on analysis and design. [Amazon.com]
By Patrick Henry Winston; Addison-Wesley, 1998, ISBN 0201498278. Each easily understood section adds new abilities to a short, representative Smalltalk program. [Addison-Wesley]
By Kent Beck; Prentice Hall, 1997, ISBN 013476904X. Real world style guide for better programming; gives set of patterns that organize informal experience successful Smalltalk programmers learned the hard way. [Prentice Hall]