Normally listed around $70, this 936 page book is on sale this week for just $9.99. This is the eBook version of the printed book.
A detailed examination of interior routing protocols — completely updated in a new edition. complete revision of the best-selling first edition–widely considered a premier text on TCP/IP routing protocols. A core textbook for CCIE preparation and a practical reference for network designers, administrators, and engineers.
Get it here: Routing TCP/IP, Volume I