Spine - Squarebound Binding - With Stapled Pages
Square spine, no damage, staples not stressing cover Generally square with trace flattening, minor bends evident but no breaks, staples stressing cover slightly Spine more flat than square, bends evident possibly causing paper breaks, staple stressing cover moderately Spine flat, lots of bends with multiple paper breaks, staple(s) pushing through cover Spine damaged heavily, staples pushing through paper, rust present.

Spine - Squarebound Binding - Glued Pages Square spine, no glue seen, cover affixed tightly Generally square with trace flattening, minor bends evident but no breaks, trace amount of glue may be visible, cover affixed tightly Spine more flat than square, bends evident possibly causing paper breaks, glue easily visible and/or cover coming loose. Spine flat, lots of bends with multiple paper breaks, sloppy glue application and/or cover is barely attached Spine damaged heavily, cover is detached or missing.

Spine - Stapled Binding
No spine bends, no paper breaks along vertical spine crease, cover tightly secured. One or two small spine bends with no paper breaks, very slight paper break along short section of vertical spine crease, cover tightly secured. More than two spine bends with or without paper breaks, paper break along up to half of vertical spine crease, cover may be starting to loosen. More than two spine bends with at least half causing paper break, paper break along most or all of vertical spine crease, cover may be loose but is not detached. Lots of spine bends with most or all causing paper breaks, significant paper break along entire veritcal spine crease, cover is detached OR missing.

Staples Condition
Shiny staples; no rust or dulling Shiny but starting to dull Dulled; maybe a trace of shine Dulled and lacking any sine, rust may be starting and none on interior One or more staples missing (not print defect), one or more staples generally rusty with rust possible on pages, or cover is missing.

Glue
No glue visible. Tiny amount visible at end of spine, none on pages. Tiny, hair-like amount visible on pages or moderate amount visible on spine but not on pages. Moderate amount of glue on pages. Cover is missing.

Loose/Missing Pages
No loose pages. One or two pages partially loose but not separated from book, no missing pages. More than a couple of pages partially loose but not separated from book, no missing pages. One or more pages separated from book but not missing. One or more pages missing.