“Perl in a Nutshell” is a comprehensive textbook written by Stephen Spainhour, Nathan Patwardhan, and Ellen Siever. Published by O’Reilly Media in 2002, this book covers the programming language Perl in a detailed and accessible manner. With 759 pages and presented in a trade paperback format, this book is a valuable resource for programmers looking to deepen their understanding of Perl and its various capabilities. The authors provide clear explanations, practical examples, and insights into the world of programming with Perl, making it an essential addition to any computer science student or professional programmer’s library.