No One Trips Over A Mountain Author:Det Joseph Petrocelli, Prof Matthew Petrocelli, PhD 22 years of street-earned wisdom packed into a small but powerful package! Perfect for every officer, from rookie to seasoned vet. — This incredibly easy to read collection of quick-hit nuggets of advice, insights & observations will have a major impact on your safety and effectiveness. — Sections include: Every Cop Knows... — - T... more »actical Considerations