You can use this Sketchbook Mockup PSD to portray your Sketchbook Design in your presentation in a minimal way for your clients. You just need to put your design in the smart layer and it is done. You can modify this mockup according to your requirements. You need to have photoshop to edit it.
File Format: PSD
Dimensions: 4000×3200 px
Size: 200 Mb
License: Free for personal & commercial use