There are several highly recommended CCRN (Critical Care Registered Nurse) review books available, including:
1. "Barron's CCRN Exam" by Patricia Juarez MSN RN CCRN-K
2. "AACN Certification and Core Review for High Acuity and Critical Care" by Lisa M. Stone MSN RN CCRN
3. "Pass CCRN!" by Robin Donohoe Dennison DNP APRN CCNS CEN CNE
4. "CCRN Review Book 2019-2020: CCRN Study Guide and Practice Test Questions for the Critical Care Nursing Exam" by Ascencia Nursing Exam Prep Team
These books offer comprehensive coverage of the material tested on the CCRN exam and include practice questions and test-taking strategies to help you prepare effectively. Ultimately, the best review book for you will depend on your learning style and preferences.