Firstly, it's grate to hear that you are going for CCNP/CCIE - Good luck,
If you really want a book on routing then the book to have is by Sam Halabi (www.ciscopress.com) and goto the authors section and look for Sam Halabi, As fas as I'm concerned Sam Halabi is THE expert on this field (and I'm sure many other experts on this forum will agree).
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...