Please provide the actual dimensions of the project (front + back) with the spine included.

Technical Requirements for the Book Cover Design:

Final book format: DIN A5 (148?×?210?mm)

Bleed: 5?mm on all sides

Spine width: 15?mm

Full cover layout size (including bleed):
321?×?220?mm

Important:
I need the editable source file in one of the following formats:

Adobe InDesign (.indd)

Adobe Photoshop (.psd)

Adobe Illustrator (.ai)

Please include all fonts used or convert text to outlines if needed. All layers should be clearly labeled.
This design will serve as a base — minor adjustments like spine text or logo placement will be done in-house.

please extended deadline