Mirza,
Thanks, Jacob Bugge can you please attach images for the layout? |
The image on page 4 of 5 in the KDP requirements link shows it. Unfortunately, the arrows with the width figures disappear to the right, but the figures correspond to the part to the left in the spread: 5.25" is between/inside the gutter margin and the outside margin, 6" is including both the gutter margin and the outside margin (the trim), and 6.125" (with the addition of bleed) is including everything within the grey areas, which corresponds to the page size width stated on page 3 of 5.