I released the first ebook, Learn to play the ubass – basic techniques, at the Winter NAMM Show in Anaheim, Los Angeles, CA (January 2017).
The ebook is available in two versions!
Ebook (interactive version for the iBooks Store (OSX and iOS) (Link to iBooks Store)
ePub (interactive) version (Win, Android and OSX/iOS) (Link to ePub Store)
More ebooks are in the works!