Some common book sizes are as follows:

1. 16K hardcover book:
Finished product size: 260X185mm
Plate core size: 215X138mm
From the mouth to the mouth: 46mm
Foot to foot: 40mm
Turn mouth to turn mouth: 60mm.

2. 16K paperback books:
Finished product size: 260X185mm
Plate core size: 215X138mm
From the mouth to the mouth: 50mm
Foot to foot: 40mm
Turn mouth to turn mouth: 60mm

3. Large 16K hardcover book:
Finished product size: 297X210mm
Plate core size: 245X165mm
From the mouth to the mouth: 48mm
Foot to foot: 40mm
Turn mouth to turn mouth: 54mm

4. Large 16K paperback books:
Finished product size: 297X210mm
Plate core size: 245X165mm
From the mouth to the mouth: 50mm
Foot to foot: 40mm
Turn mouth to turn mouth: 52mm

5. 32K hardcover book:
Finished product size: 184X130mm
Plate core size: 153X100mm
From the mouth to the mouth: 32mm
Turn mouth to turn mouth: 36mm
Foot to foot: 30mm
Head to head: 48mm

6. 32K paperback books:
Finished product size: 184X130mm
Plate core size: 158X100mm
From the mouth to the mouth: 36mm
Turn mouth to turn mouth: 36mm
Foot to foot: 30mm
Head to head: 48mm

7. Large 32K hardcover book:
Finished product size: 204X140mm
Plate core size: 165X107mm
From the mouth to the mouth: 34mm
Turn mouth to turn mouth: 42mm
Foot to foot: 38mm
Head to head: 52mm

8. Large 32K paperback book:
Finished product size: 204X140mm
Plate core size: 159X103mm
From the mouth to the mouth: 42mm
Turn mouth to turn mouth: 32mm
Foot to foot: 34mm
Head to head: 54mm

9. 64K hardcover book:
Finished product size: 130X92mm
Plate core size: 103X70mm
From the mouth to the mouth: 24mm
Turn mouth to turn mouth: 28mm
Foot to foot: 26mm
Head to head: 40mm

10. 64K paperback books:
Finished product size: 130X92mm
Plate core size: 103X70mm
From the mouth to the mouth: 27mm
Turn mouth to turn mouth: 27mm
Foot to foot: 26mm
Head to head: 40mm

As a professional book printer, we can also customize the size of any book printing according to your needs. If you have any ideas, please feel free to contact us.