The fifth edition of Introduction to Orthotics, by Brenda Coppard, PhD, and Helene Lohman, MA, OTD, OTR/L has just been published by Elsevier. Chapter 20 (co-authored by me; thank you to Shawn Swanson Johnson for recommending me to this project) features upper limb prosthetic technology with resources relevant to training, controls, and functional application.