A band of vigilantes catch Jed Cooper and, incorrectly believing him guilty of cattle rustling and murder, hang him and leave him for dead. But he doesn't die. He returns to his former profession of lawman to hunt down his lynchers and bring them to justice.

Unlike traditional embedded systems references, this book skips routine things to focus on programming microcontrollers, specifically MCS-51 family in 'C' using Keil IDE. The book presents seventeen case studies plus many basic programs organized around on-chip resources. This "learn-through-doing" approach appeals to busy designers.