Bests & Worsts Reviews from Amazon

I read the 210-260 OCG book cover to cover, took the exam and failed with a 676. I went out and picked up a copy of 31 days before the CCNA Security exam, read that cover to cover and failed again tonight with a 778. It seems like all of the official publications aren't going deep enough in core concepts. Some of the things I noticed were tested in-depth but not covered in much detail by the Cisco Press books: MAC Authentication Bypass (MAB) AsyncOS Email Reputation actions (Defang/Redirect/Replace URL) Software Assurance Maturity Model (SAMM) ESA File Analysis/Log interpretation FirePOWER Preprocessors EAP/EAP-TLS/LEAP/PEAP/EAP-FAST Cisco ASA Packet Process Algorithm ASA Use of LDAP Attribute Maps ESP Packet dissection Cisco Context Adaptive Scanning Engine IP Routing Protocol-Independent Commands Network Device Enrollment Service (NDES) Cisco Web Security- Granular access controls