FLIPPER ZERO: practical guide for beginners and experts.: Everything you need to know to create, program and use your flipper zero, the gadget that opens the doors to hidden reality Paperback – August 9, 2023

There's nothing in this book you can't get from the readme docs or other online Flipper Documentation on the official site.

It is a limited, poor collection of information one can find on the Flipper website.For the price I was expecting at least some more detailed suggestions about how ti di things more complex, use of GPIO, libraries to use, etc.Waste of time and money.

The initial pages are wrong when they say how to turn OFF and ON the flipper zero !!These doesnt work