Certified Pediatric Emergency Nurse (CPEN) SUPPLEMENT Do you already have Scott DeBoer's CPEN 3rd Edition e-book? You will definitely want this all-new 200+ question e-book to benefit your CPEN review! Whether you're looking for more pediatric emergency questions to prepare for the CPEN exam, or just want to spend a little time to do a quick refresher of what's new in peds emergency care... this e-book is for you. Questions with detailed rationales cover a little from each body system of your precious pediatric patients.