[Haskell-beginners] 'cabal install hdirect' can't find hdirect

hdirect is here: http://hackage.haskell.org/package/hdirect however, as shown by the following terminal session, cabal can't find it. What should I do to insteall hdirect? ~/download/haskell/libs $ cabal -V cabal-install version 0.6.0 using version 1.6.0.1 of the Cabal library ~/download/haskell/libs $ uname -a Linux evansl-desktop 2.6.24-24-generic #1 SMP Fri Sep 18 16:16:18 UTC 2009 x86_64 GNU/Linux ~/download/haskell/libs $ cabal install happy --dry-run Resolving dependencies... In order, the following would be installed (use -v for more details): mtl-1.1.0.2 happy-1.18.1 ~/download/haskell/libs $ cabal install hdirect --dry-run cabal: There is no package named hdirect ~/download/haskell/libs $