publications Online books by eXtropia Instant CGI/Perl
by Selena Sol, Gunther Birznieks, and Peter Chines
The ultimate collection of ready-to-use code and expert techniques for CGI/Perl. This is the manual for eXtropia's ADT. All applications covered in this book are WAP and XML ready! The scripts work easily with Oracle, Sybase, MySQL, and most relational databases; directory services such as LDAP; security architectures using PKI, secure ID, PGP, or HTTPS; and Perl accelerators such as mod_perl or Velocogen. Buy Now

Instant Web Scripts with CGI
by Selena Sol and Gunther Birznieks
"Instant Web Scripts with CGI" covers most of the scripts in this archive in great depth. Each chapter takes you from downloading, through installation and customization and usage. It also explains in simple terms how the programs were made so that you can make your own with a proven methodology.

CGI for Commerce
by Selena Sol and Gunther Birznieks
ITKnowledge offers an electronic version of this book. However, if you want to read more than the first chapter, you need to subscribe to their web site. If you are building a WebStore though, it could be a very worthwhile investment. Books by eXtropia you can buy CGI Programming with Perl (2nd Edition)
by Gunther Birznieks, Scott Guelich, and Shishir Gundavaram
The Common Gateway Interface (CGI) is one of the most powerful methods of providing dynamic content on the Web. CGI is a generic interface for calling external programs to crunch numbers, query databases, generate customized graphics, or perform any other server-side task. Based on the best-selling CGI Programming on the World Wide Web, this edition has been completely rewritten to demonstrate current techniques available with the module and the latest versions of Perl.

Topics include incorporating JavaScript for form validation, controlling browser caching, making CGI scripts secure in Perl, working with databases, creating simple search engines, maintaining state between multiple sessions, generating graphics dynamically, and improving performance of CGI scripts.

CGI for Commerce
by Selena Sol and Gunther Birznieks
CGI for Commerce goes through the Web Store script in particular in great depth explaining the intricacies of order logic, PGP and options. If you are going to set up web stores, we greatly recommend this resource because of the time spent explaining shipping routines and PGP. Read the text of the book here

CGI How To
by Steven Asbury, Jason Mathews and Selena Sol and published by WAITE Group Press
This book attempts to present solutions to common CGI tasks in a straightforward, not overly technical manner. It provides cut and paste solutions to "real" programming tasks. "How To" solutions range from very basic to extremely complex and solutions often provide both Perl and C examples.

Programming with Microsoft Afc
by Eric Swildens and Selena Sol and published by Wiley
AFC allows Java programmers to create different GUI components like buttons, scroll bars, and graphics. This is a programming book for Java and Windows programmers interested in AFC, teaching the technical details needed to program with Java in Windows. CD-ROM contains over 75 example programs in Java, and ready-to-use GUI components.

Perl 5 How-To : The Definitive Perl 5 Problem-Solver
by Stephen Asbury, Selena Sol, and a bunch of others
Nearly 200 solutions to Perl programming problems are included in "Perl 5 How-To". Multi-platform (UNIX, DOS) documentation and solutions are explored, and extensive CGI coverage is given. The CD-ROM includes Perl 5 source code, Perl extensions, binaries, scripts, and utilities--all ready to plug into the reader's own applications.