hardbacked

from WordNet (r) 3.0 (2006)

hardbacked
    adj 1: having a hard back or cover; "hardback books" [syn:
           {hardbacked}, {hardback}, {hardbound}, {hardcover}]

from The Collaborative International Dictionary of English v.0.48

hardback \hard"back`\, hardbacked \hard"backed`\, hardcover
\hard"cov*er\ hard-bound \hard"-bound`\adj.
   Having rigid front and back covers, usually boards covered
   with paper, cloth, or leather; -- of books. Contrasted with
   {softcover} and {paperback}.
   [WordNet 1.5]