Have you had your eye on a favorite piece of hardware that you know would be so much better if it ran Linux? Or wanted to improve a Linux kernel that already exists? There's a new book just for you, called
Linux Kernel in a Nutshell.
The author says that his goal in writing the book is to get more people interested in developing Linux kernels. He tries to demonstrate that if you know a little bit about what you are doing (not for the programming neophyte, of course), it's not too bad. Furthermore, even though the information is out there, it's not always easy to find it and put it all together.
So if you have been wanting to build a Linux kernel, check it out. You know what they say - "You can never have too much Linux in the world." Okay, so nobody actually
said that, but it does seem to be a common sentiment.
Disclaimer: I know nothing about Linux kernels, so correction and clarification of this post is welcomed!