Joseph Sinclair

University of Michigan BA, JD, US Navy, practiced law in Michigan and Colorado. After a 20-year career in commercial and investment real estate, the author wrote the definitive book on real estate investment analysis, Real Numbers, as his first book. Living in the San Francisco Bay Area, however, he got sucked into the vortex of digital technology and had a 12-year career writing over 20 technology books for non-programmers publisher by national publishers. For several years he returned to investments but now has resumed his activities as an author and is developing his interest in photography. His latest book published in 2018 by Appworth Media is:

Publishing by Webbook  https://publishingbywebbook.com

The author has several books in progress to be published in 2028 and 2029.

He is the editor/publisher of the Napa Valley Photographic Society Journal.