In order to install this perl extension you have to install io-lib version 1.12 or higher from the Staden library (staden.sourceforge.net). To confirm that the package installed correctly look for a library named "libstaden-read". You will also need the zlib library which can be found at http://www.zlib.net/. To install this extension: perl Makefile.PL make make test make install Dmitri Priimak