The tar file example.tar.gz contains the example programs for "Teach Yourself Perl in 21 Days" by David Till (SAMS Publishing, ISBN 0-672-30586-0). The files have the name "XXLYY.TXT" or "XXAYY.TXT". "L" stands for listing, and indicates that the program is an example appearing in a chapter. "A" stands for "answer", and indicates that the program is a possible answer for an Exercise question. In both cases, XX refers to the chapter number and YY refers to the listing number; for example, 07L03.TXT is the source for Listing 7.3. An errata sheet for the first edition is also enclosed (in the file "errata". Any comments, complaints, or compliments can be directed to Dave at either of the following addresses: davet@klg.com am671@freenet.toronto.on.ca