The "CCNP ISCW Official Exam Certification Guide" is a study guide focused on helping individuals pass the Implementing Secure Converged Wide Area Networks exam. It covers topics like securing enterprise networks for remote workers and VPN configurations. The guide includes quizzes, summaries, and practice questions to help readers prepare effectively. The companion CD-ROM offers additional practice exams and feedback on performance. The authors, Brian Morgan and Neil Lovering, are experienced in networking and Cisco technologies, providing valuable insights for exam success.