Have 2nd edition 11th hour and 7th edition AIO CISSP books, do I need to update?

relegatedrelegated Member Posts: 81 ■■■□□□□□□□
I have the 2nd edition of Eric Conrad's 11th hour study guide and the 7th edition of Shon Harris' AIO exam guide. There is a 3rd edition and 8th edition, should my current books work or will I be missing anything that the 3rd and 8th editions of these books have?

Should these two books be enough along with Cybrary and Sunflower? Any other free materials I can use? Any practice exams that are helpful or close to the new CAT format?

I already have my Security+, SSCP along with some other certifications. I have already studied for a while off and on for the CISSP but have not taken the test due to cost.


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