Crossword clues for Cover inside 4 lettersAnswerClueLINECover insideLINECover the insideBIOSBlurbs inside back coversLINECover on the insideISBNCode on the inside of a book cover, for shortENDPAPERBook sheet affixed to the inside front cover or the inside back coverUNLINEDWithout inside covering.ADPAGEInside cover, oftenENDPAPERSInside coversMAPInside cover of many a fantasy novelMADMagazine with a fold-in inside back coverENDPAPERSThey're inside the coversLINESCovers on the inside.LINEDCovered on the insideENDPAPERHeavy sheet inside a book's cover