
As I did with Nikon film SLRs and then Nikon DSLRs, I've been putting together deep, detailed, and useful books for Nikon mirrorless cameras.
The following books are currently available:
The Complete Guides are readable with any device that can use PDF files, while the Configuring and Using books are readable with any device that can use ePub files, both of which are pretty much every phone, tablet, and computer.