The guide for Horizon Zero Dawn: The Frozen Wilds contains necessary information that will help you find all secrets in Banuk's frozen land. The guide is divided into two parts. The secrets and the collectibles are described on separate pages. The guide also has maps.
This is an important chapter because it contains answers to the most important questions. Here, you can read about topics that can be very important during your playthrough. From basic questions, such as what Bluegleam is and how to get it to more complex topics such as how to activate the Tallneck again.
The second chapter of this guide contains maps with locations of all secrets.