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The books for sale by Dr. David Whitwell on this website are available in two formats:


The PDF files are formatted in a way that can be printed double-sided, just like a regular book. They can also be read on the screen using Adobe’s free Acrobat Reader software. PDF files can also be synced with iTunes and can be read on the iPod Touch or iPad through the Apple iBooks app.


If you prefer a hard copy of these books, they are available from