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helpful information

Books Stack

Standard UK book sizes (format / trim page size / TPS)

Royal: 234 x 153mm
Demy: 216 x 135mm
B: 198 x 130mm
A: 178 x 111mm

Please note: all other formats can be and are used.

ISBN (International Standard Book Number)

The ISBN is a unique numeric commercial book identifier. Publishers purchase ISBNs from an affiliate of the International ISBN Agency. An ISBN is assigned to each edition and variation of a book. You are required to purchase an ISBN for your book.

These can be purchased online from


If your book contains illustrations, artwork or photographs, all files must be provided to us copyright-free and with no watermarks. Images should be supplied in electronic format and at a minimum resolution of 300 DPI to ensure that the image reproduces to a high quality when printed.

For the best results, images should be supplied to us in JPEG or TIFF format.

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