Book editions Updated to 2018

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eBooks are an excellent way to access our detailed information. When you are interested in a topic but hesitate to order a printed book, download the eBook version at low cost with no shipping charges. You can download a free eBook to get started. eBooks can be downloaded to most countries. Add eBooks to you cart. A download link will appear on your order page and will also be sent to your email address. Be sure to save the PDF file to a folder or your choice for future access.