I am not a comics grader, but I try to be as thorough as possible when assessing books for any flaws. I don't believe in using a number grade system - to me they are mostly utilized as a method to be ambiguous about exact condition and/or individual imperfections - but I do attempt to describe anything other than minor cover shelf-scuffing/scratching in detail. If a certain flaw discussed below does not mention that it affects inside pages, then it does not.
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These novels are in good to very good overall conditions, all with solid spines and excellent overall inside pages (photo#18, 19, 20 examples). They each have 1 or 2 lighter cover indents/creases around, with otherwise primarily lighter signs of wear, all of which mostly affect their externals. Due to eBay's photo limit, with lots involving multiple books, I am not able to show the detailed looks I try to maintain, so if you would like any extra photos of a specific description/book, feel free to let me know! The TL;DR versions of each book's condition below is in italics, with the more in-depth collectors' paragraphs below them.
Any reference to certain areas of books can be seen in the photos above. The sections are:
*Photo#4: Upper spine corner
*Photo#5: Lower spine corner
*Photo#6: Front cover top edge/outer corner
*Photo#7: Front cover bottom edge/outer corner
*Photo#8: Back cover top edge/outer corner
*Photo#9: Back cover bottom edge/outer corner
Abbreviations Glossary (I've been listing more and more of my books and thought this would save some time..)
*USC: Upper spine corner
*LSC: Lower spine corner
*FTOC: Front cover's top outer corner
*FBOC: Front cover's bottom outer corner
*BTOC: Back cover's top outer corner
*BBOC: Back cover's bottom outer corner
**Vol 1: Good condition - solid spine, excellent overall inside pages. It has 1 cover crease, but otherwise mostly lighter and primarily external signs of wear. USC and LSC have light scuffing, USC has a tiny peel near its middle. Front and back covers' top and bottom edges have light levels of shelf-wear/scuffing, with one additional ~1/2" scuff on the back's top edge near its middle. FTOC and FBOC have small scuffs/bends, they go thru ~5 and ~30 pages, respectively as light bends. BTOC and BBOC possess tiny scuffs/bends, they go thru ~1/4 pages each as light bends. BTOC has an additional ~1" vertical scuff/streak around it, BBOC has an additional tiny cover peel. Front cover has a ~1.5" crease/depression near the page edge's middle (photo#10 w/illumination), shows on ~25 pages as a smaller indent. Two small/light nearby indents/depression as well as a ~1/2" one, another small one on the spine edge towards the LSC and a light ~1" depression near the LSC (photo#11 w/illumination). Back cover has a light ~1/2" indent/depression near tis middle, and a small scratch on the spine edge towards the USC.
**Vol 2: Good to very good overall condition - solid spine, excellent overall inside pages. It has 1 small outer corner indent, but otherwise mostly lighter and primarily external signs of wear.
USC and LSC have light scuffing. USC has an additional tiny ding/indent at/around where it meets the front cover.
Front and back covers' top and bottom edges have light levels of shelf-wear/scuffing, with one additional ~tiny ding/scuff/peel on the back's top edge near its middle. FTOC, FBOC, and BTOC have tiny scuffs/bends, they go thru ~10 pages each as light bends. BBOC has a small indent/scuff/bend, goes thru ~20 pages as a light indent/bend. Front cover has a ~1" crease/depression starting adjacent the spine edge towards the LSC (photo#12 w/illumination). Light ~2" horizontal indent/depression near cover's center. Back cover has a light ~1" depression starting adjacent the spine edge towards the LSC.
**Vol 3: Good to very good overall condition - solid spine, excellent inside pages. It has 1 spine corner indent, but otherwise lighter signs of wear, all of which primarily affect its externals. USC and LSC have light scuffing. Front and back covers' top and bottom edges have light levels of shelf-wear/scuffing, with an additional ~3/4" crease on the back's top adjacent the USC, and an additional small scuff/indent on the back's bottom near its middle that shows lightly on ~4 pages. FTOC and BTOC have minimal scuffing. FBOC small horizontal indent/scuff/bend, goes thru ~15 pages as a tiny indent. BBOC has a tiny scuff/bend. Front cover has a light ~1/2" crease // ~2" indent/depression starting adjacent the spine edge towards the LSC going around the LSC (photo#14 w/illumination). Light ~3" horizontal indent/depression near cover's center. Nearby ~1" patch of tiny scratches/indents (photo#13 w/illumination). Back cover has a light ~1" depression starting adjacent the spine edge towards the LSC.
**Vol 4: Good to very good overall condition - solid spine, excellent inside pages. It has 1 spine corner indent, but otherwise lighter signs of wear, all of which primarily affect its externals. USC has very light scuffing and a tiny peel where it meets the back cover, LSC has light scuffing. Front and back covers' top and bottom edges have light levels of shelf-wear/scuffing, with an additional light ~1/2" cover indent around on the front's top at the USC, and a ~1/2" scuff towards the FTOC. FTOC, BTOC, and BBOC all possess tiny scuffs/bends, they go thru ~10 pages each as light bends. FBOC has a small indent/scuff/bend, goes thru ~1/4 pages as a light indent/bend. Front cover has a light small crease // ~2" indent/depression starting adjacent the spine edge towards the LSC going around the LSC (photo#14 w/illumination). Back cover has a light ~1" streak/scuff near the BTOC. Light ~1" depression starting adjacent the spine edge towards the LSC.