1) Banged up a bit 2) Banged-in 3) Bent 4) Book is indeed diminished 5) Bound for the body shop 6) Crumpled 7) Damaged 8) Damaged book indeed 9) Dinged 10) Full of depressions 11) Gave a bad impression to 12) Having a door ding 13) Having a little depression 14) Headed for the body shop 15) Impressed Found on https://www.crosswordclues.com/clue/dented