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 overall conditions, all with solid spines and very good or better (4 of 5 are 'great' or better) inside pages (photo#21 examples). They have some signs of wear spread throughout, although a majority of the flaws are lesser in severity and affecting mainly the books' externals. Due to eBay's photo limits, 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
*Photos#6+7: Front cover top edge/outer corner
*Photo#8+9: Front cover bottom edge/outer corner
*Photo#10+11: Back cover top edge/outer corner
*Photo#12+13: 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 overall condition - very good inside pages, other than two bottom outer corner creases/indents that show lightly on pages, some lighter and primarily external signs of wear. USC and LSC have light scuffing/indenting, each with a small ding where they meet the back cover that shows as light ~1/2" indents/creases adjacent the corner on the back covers. Front and back covers top edges have light shelf-scuffing/wear, with an additional ~1/2" indent/scuff on the back cover near its middle. Front cover's bottom edge has some scuffing/indenting along it. Back cover's bottom edge has a ~1" indent/ding near its middle, and a light ~2" cover crease starting adjacent the edge near the LSC. BTOC has a small/light indent/scuff/bend, goes thru pages and onto the FTOC as a light bend only. FBOC has a ~1" crease around it, goes thru ~2/3 pages as an indent (photo#22 example of pages). Small indent/scuff/bend at extreme corner, goes thru ~3/4" pages as a light bend. BBOC has a ~3" crease around it (photo#14 w/illumination), goes thru pages as a light indent. ~1/2" indent/scuff/bend at corner itself, goes thru ~1/4 pages as a light bend. Front cover possesses a patch of four ~1/2" indents/depressions near the title (photo#15 w/illumination), and a few more small/light scratches spread around the cover. Light ~2.5" vertical indent/depression adjacent bottom edge. Light/small circular sticker residue towards FTOC. Page edge has some light scuffing/indenting. Back cover has a very light ~5" horizontal scratch near the top edge, and a ~2" one near the bottom edge. Small indent near the page edge's middle. Pages #283-286 have a small bottom outer corner fold.
**Vol 2: Good condition - great inside page, other than 1 crease wrapping around the spine, few and lesser signs of wear, all primarily affecting its externals. USC and LSC have light scuffing. Spine edge possesses a crease near its middle spanning its width, which is adjacent to a ~1" crease/depression on the front cover, and a ~1.5" crease starting on the back cover (photo#16 w/illumination). Front and back covers' top edges, and back's bottom edge all have light shelf-scuffing/wear if any, other than 3 tiny indents on the back's top, and 1 tiny scuff on the back's bottom. Front cover's bottom edge has some light shelf-scuffing/indenting along it. FBOC has a small indent/scuff/bend, goes thru pages and onto the back cover as a light bend. FTOC has a small indent/scuff/bend. BTOC has a light ~3/4" vertical indent around it. Small scuff/bend/peel at corner itself. Front cover has a light ~1/2" scratch/indent near its title, a small one and a very light ~1" one towards the FTOC. Page edge has some light shelf-scuffing/indenting around its middle. Back cover possesses a light vertical ~2.5" indent/depression near its center, and a very light ~7" vertical depression towards the page edge. Page edge has a small scuff and a few tiny ones around its middle. Book has a light bottom outer quadrant flex/bend.
**Vol 3: Good condition - great inside pages, other than 1 outer corner cover crease, few and lesser signs of wear, all primarily affecting its externals. USC and LSC have light scuffing. USC has a tiny peel near its middle. LSC has a tiny ding/indent where it meets the front cover. Front cover's top and bottom edges have light scuffing/indenting along them. Back cover's top edge has light if any shelf-wear other than 2 small scuffs/indents towards the spine corner. The bottom edge has light shelf-scuffing along it. FTOC, FBOC, BTOC, and BBOC all possess small indents/scuffs/bends, the back's go thru ~50 pages each as light bends. FTOC has an additional nearby ~1" horizontal indent. FBOC has an additional ~2.5" crease around it (photo#17 w/illumination). Front cover has a light ~3.5" vertical scratch/indent around the USC. Another ~1" horizontal one near the page edge's middle. Light ~2"x~1" patch of sticker residue near the FTOC (photo#18 w/illumination - might come off; I prefer not to mess with them). ~1.5" patch of light cover material raises on the page edge near the FTOC. Back cover has a light ~1.5" indent/depression near its center.
**Vol 4: Good condition - great overall inside pages, other than 1 outer corner crease, some lighter and primarily external signs of wear. USC has some scuffing/peeling, LSC has light scuffing/a few small peels. Front and back covers' top and bottom edges have some light shelf-scuffing/wear, with a few tiny indents spread throughout. FTOC and BTOC have tiny indents/scuffs/bends, they go thru ~1/4 and ~3/4 pages, respectively, as light bends. BTOC has additional small/light indent around it. FBOC has a light ~1/2" indent/scuff/bend, goes thru most pages as a light bend. BBOC has a ~1/2" crease/depression/scuff/bend, goes thru ~1/6 pages as an indent/bend. Front cover has 2 tiny page edge cover material raises near its middle. Back cover possesses a ~2" vertical crease/depression towards its upper half (photo#19 w/illumination). Light ~1" scratch/indent near cover's center, another towards page edge.