Cisco Press will publish three products this year that map to the new CCDA exam.

CCDA Quick Reference Sheets (Digital Short Cut)
ISBN: 158705311X
Jeff Hardee
April 2007

CCDA Official Exam Certification Guide, Third Edition
ISBN: 1587201771
Anthony Bruno, Steve Jordan
June 2007
Preview this book as a Rough Cut!

Designing for Cisco Internetwork Solutions (Authorized Self-Study Guide), Second Edition
ISBN: 1587052725
Diane Teare
October 2007

Learn more about CCDA self-study resources at Cisco Press