The following user guides show you how to use the Mock-ups actions for Photoshop and PS Elements.
The "Mock-ups" is a bundle that contains two products: the "Books & Brochures" and the "Vinyls records & DVDs".
1. BOOKS and BROCHURES PDF TUTORIALS:
I also recommend you check the following tutorial:
Spice up your creations with beautiful textured backgrounds
2. 3D BOOKS: VIDEO TUTORIALS
Click the gear button and set the resolution to 1080p; then click the full screen button.
How to use the "3D Books" actions in Photoshop CC:
How to use the "3D Books" actions in Photoshop CS6 Extended: