Download and Read Prickles the Porcupine Book PDF ByElizabeth Russell-Arnot Total Download 20 “The book you don’t read won’t help.” –Jim Rohn Synopsis A prickly porcupine protects himself by bravely shaking his tail of sharp spikes in the face or a menacing predator. This may appear humorous to the reader, but to the porcupine it is his only means of defence.