Teach Yourself Python in 24 Hours
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Paperback - 528 pages (April 2000)
SAMS

Python and Tkinter Programming
By John E. Grayson
Paperback - 688 pages (February 2000)
Manning Publications

Python Programming on Win 32
By Mark Hammond, Andy Robinson
Paperback - 672 pages (January 2000)
O'Reilly & Associates

Programming With Python
By Tim Altom with Mitch Chapman.
Paperback - 408 pages (October 1999)
Prima Publishing

Python Annotated Archives
By Martin Brown
Paperback - 800 pages (September 1999)
McGraw-Hill

The Quick Python Book
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Paperback - 275 pages (October 1999)
Manning Publications

Python Essential Reference
By David Beazley
Paperback - 300 pages (October 1999)
New Riders

Learning Python
By David Ascher and Mark Lutz
Paperback - 300 pages (March 1999)
O'Reilly & Associates

Programming Python
By Mark Lutz
First published October, 1996
O'Reilly & Associates