There are many books on Perl and Perl-related. A few of these are good, some are OK, but many aren't worth your money. There is a list of these books, some with extensive reviews, at http://books.perl.org/ . We list some of the books here, and while listing a book implies our endorsement, don't think that not including a book means anything. Perl および Perl に関する多くの本があります。 それらの二、三はいいもので、いくつかはまあまあですが、