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Mark Summerfield

Mark Summerfield, owner of Qtrac Ltd., is an independent trainer, consultant, technical editor, and writer specializing in Go, Python, C++, Qt, and PyQt. His books include "Rapid GUI Programming with Python and Qt "(Prentice Hall, 2007), "C++ GUI Programming with Qt 4 "(with Jasmin Blanchette, Prentice Hall, 2008), "Programming in Python 3, Second Edition "(Addison-Wesley, 2009), and "Advanced Qt Programming "(Prentice Hall, 2010).