The Perl CD bookshelf - version 2.0: 5 bestselling books on CD-ROM: includes a bonus book Pearl in a nutshell. - Ellen Siever; Stephen Spainhour; Nathan Patwardhan (O'Reilly, 1999)

Perl in a nutshell - a desktop quick reference. - Ellen Siever; Stephen Spainhour; Nathan Patwardhan (O'Reilly, 1999)

The Perl CD bookshelf - 6 bestselling books on CD-ROM: includes a bonus book 'Perl in a nuthell. - Ellen Siever; Stephen Spainhour; Nathan Patwardhan (O'Reilly, 1999)

Perl in a nutshell - covers Perl 5.8: a desktop quick reference (2. ed.). - Nathan Patwardhan; Ellen Siever; Stephen Spainhour (O'Reilly, 2002)

The Perl CD bookshelf - version 3.0: 7 bestselling books on CD-ROM: includes a bonus book: Perl in a nutshell (2. ed.). - Nathan Patwardhan; Ellen Siever; Stephen Spainhour (O'Reilly, 2002)

The Perl CD bookshelf - version 4.0: 6 bestselling books on CD-ROM: includes a bonus book: Perl in a nutshell, 2. ed. - Nathan Patwardhan; Ellen Siever; Stephen Spainhour (O'Reilly, 2004)