Edward J. Klimas is a recognized authority and lecturer in the software engineering industry and has deployed complex software systems for over twenty years. He has used the Smalltalk environment and object-oriented technology since its early days. Mr. Klimas conceived this book while implementing numerous Smalltalk based real-time and management information systems. He holds engineering degrees from Cleveland State and Carnegie Mellon Universities. Suzanne Skublics has over seven years experience with object-oriented technologies. She has been working at Object Technology International, Inc. as a Manager of Education and Training, and Technical Alliances. Suzanne has taught Smalltalk courses since 1989. She designed OTI's Smalltalk course and has also taught at Carleton University where she received her Masters degree. David A. Thomas is founder and CEO of Object Technology International, Inc., and is a leading Smalltalk expert. He has 30 years of experience in the computer industry as an architect, project manager, and director. Dave holds an adjunct professorship at Carleton University where he was previously the Director of the Object-Oriented Research Group.Skublics, Suzanne is the author of 'Smalltalk With Style' with ISBN 9780131655492 and ISBN 0131655493.