There is an Introduction to iRules Book Out
Steven Iveson has published the eBook, An Introduction to F5 Networks LTM iRules
The 138 page book is geared towards networking professionals who are beginners with iRules and need to get a solid introduction to iRules commands, statements, tcl syntax, etc. There is supposed to be a second edition released soon that expands the topics covered in the book and the author expects that the second edition will be delivered for free to purchasers of the first edition.
