HI this is my first post in this forum

really pleased to join here

I was about to buy
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CCDA Official Exam Certification Guide (Exam 640-863) (3rd Edition) (Exam Certification Guide)
from amazon.com but i suddenly found this new book
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Designing for Cisco Internetwork Solutions (DESGN) (Authorized CCDA Self-Study Guide) (Exam 640-863) (2nd Edition)
So which is better do you think experts

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