Arduino UNO R3 textbook

I am looking for a comprehensive textbook on the Arduino Uno R3, something that covers as much hardware detail as possible. Is there such a text in published form?? Thanks in advance. AA

Here is the Arduino documentation of the Uno R3.
UNO R3 | Arduino Documentation

Hope this helps!
@rlsieben

This is very detailed and comprehensive

Atmega328 datasheet? As much as 294 pages of hardware details...

Note that there is not much TO the "hardware" of an Uno, beyond the microcontrller itself.
If you include "compatibles", an "Uno" has rather non-constant hardware :frowning:

If you're looking for detailed information on the ATmega328 that is used on the Uno, there are a lot of possibilities (starting with the Datasheet and Microchip's training materials, I guess), but a lot of it won't cover Arduino very much.

Since the AVR in general is much older than Arduino, there will probably be a lot of older books that will cover AVR/Hardware details. and newer books that will focus on Arduino and their "you don't need to know about the hardware" philosophy.
For example, I would have recommended books by Joe Pardue, like Amazon.com: C Programming for Microcontrollers: Featuring ATMEL's AVR Butterfly and the free WinAVR Compiler: 9780976682202: Pardue, Joe: Books, but bother the hardware he uses (Atmel Butterfly) and the software (WinAVR) are pretty obsolete at this point.

Thank you ALL for the suggestions. Much appreciated!!

You can try this one: Arduino Starter Kit Multi-language — Arduino Online Shop
Its a kit and has a project book that teaches you, but im not sure it its a textbook..

How about this one:-

Or this one:-

Thank you all for the suggestions.