Cisco IOS images for GNS3

Found this link for huge collection of IOS images specifically for GNS3. 

Link 1

Note: None of these files is hosted by Certuniverse.

CCDA 640-864 Official Cert Guide (4th Edition)

Nice book to have for anyone interested in pursuing CCDA track or even for studying. So far, i haven't got a chance to study this book and post my notes on blog but looking at the table of contents it does look like to develop solid understanding.

Download Link