Cyclone V Device Handbook missing

Handbook volumes > 2 are missing.

I just want to get started by reading the Device Handbook of my Cyclone V.

I went to: https://www.intel.com/content/www/us/en/products/details/fpga/cyclone/v/docs.html

There are 522 manuals!

Searching for "device handbook" returns only:

Cyclone V Device Handbook: Volume 1: Device Interfaces and Integration
Cyclone V Device Handbook: Volume 2: Transceivers

Googling returns this autocompletion:

cyclone v device handbook volume 1
cyclone v device handbook volume 2
cyclone v device handbook volume 3
cyclone v device handbook volume 4

But these docs are outdated and come from other sources.

How is someone supposed to get started when documentation is missing? Help…