These instructions are for the Hardback Book Mockup PSDs.
Step 1: Edit Side Cover
Open the psd file and then double click side cover layer to edit it.
If you get this warning, just click OK.
The layer is opened as a new file. Place your book design here.
Save and then close the side cover file. The side cover design is automatically changes. No manual transformation needed.
Step 5: Edit Front Cover
Double click front cover layer.
If you get this warning just click OK.
The cover is opened in a new file. You can edit current design or put your own design here.
Save the file and then close it. The design is automatically updated.