![Learning PERL the Hard Way: Perl Programming for Beginners: Downey, Allen B.: 9781441419033: Amazon.com: Books Learning PERL the Hard Way: Perl Programming for Beginners: Downey, Allen B.: 9781441419033: Amazon.com: Books](https://m.media-amazon.com/images/I/41B+9lO4LIL._AC_SY780_.jpg)
Learning PERL the Hard Way: Perl Programming for Beginners: Downey, Allen B.: 9781441419033: Amazon.com: Books
![Learning Perl: Making Easy Things Easy and Hard Things Possible: Schwartz, Randal L., foy, brian d, Phoenix, Tom: 9781491954324: Amazon.com: Books Learning Perl: Making Easy Things Easy and Hard Things Possible: Schwartz, Randal L., foy, brian d, Phoenix, Tom: 9781491954324: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/71DvW1WyHFL._AC_UL600_SR600,600_.jpg)
Learning Perl: Making Easy Things Easy and Hard Things Possible: Schwartz, Randal L., foy, brian d, Phoenix, Tom: 9781491954324: Amazon.com: Books
![Amazon.com: Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C) (Zed Shaw's Hard Way Series): 9780321884923: Shaw, Zed: Books Amazon.com: Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C) (Zed Shaw's Hard Way Series): 9780321884923: Shaw, Zed: Books](https://m.media-amazon.com/images/I/51N3tgYVY9L._AC_SY780_.jpg)
Amazon.com: Learn C the Hard Way: Practical Exercises on the Computational Subjects You Keep Avoiding (Like C) (Zed Shaw's Hard Way Series): 9780321884923: Shaw, Zed: Books
![Learning Perl: Making Easy Things Easy and Hard Things Possible: Schwartz, Randal L., foy, brian d, Phoenix, Tom: 9781492094951: Amazon.com: Books Learning Perl: Making Easy Things Easy and Hard Things Possible: Schwartz, Randal L., foy, brian d, Phoenix, Tom: 9781492094951: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/81okfY0Tw0S._AC_UL600_SR600,600_.jpg)