• File format: PDF, for own printout (suitable also for Letter size paper).
• Each version has screen shots in color.
• Number of pages since 2009: 2019 version: 611 pp. 2017 version: 561 pp. 2015 version: 517 pp. 2014 version:  497 pp. 2011 version: 395 pp. 2009 version: 345 pp.
• Comprehensive and clickable index. Also a pdf bookmark index, with clickable entries to the main chapters.
• Clickable cross references and Internet links.

Writing and designing a manual involves a lot more thought than just producing text, and here are some thoughts on the subject.