Reddit reviews The Disney Mountains: Imagineering At Its Peak

This video is a summary of the part on Splash Mountain from the book The Disney Mountains: Imagineering at it's Peak by Jason Surrell.

https://www.amazon.com/Disney-Mountains-Imagineering-Its-Peak/dp/1423101553

Here are my favorites:

Unofficial Disneyland Encyclopedia

Mouse Tales

The Disney Mountains

Here are my favorites:

Designing Disney

Walt Disney's Imagineering Legends

The Disney Mountains

It's Kinda a Cute Story

and anything in the Imagineering Field Guide Series.

I have a couple that I've loved:

Walt Disney Imagineering Behind Dreams

And version 2 of the book:

Walt Disney Imagineering Behind Dreams 2

I've also really enjoyed this one:

Disney Mountains Imagineering at its Peak

There is a book called Mountains of Disney which details plans and concept art of all the Mountain rides at Disney parks.

Edit: https://www.amazon.com/Disney-Mountains-Imagineering-Its-Peak/dp/1423101553

Edit 2: don't buy it from amazon apparently that link says its like 70 plus $$