The events surrounding Mark getting a GI Joe as his favorite toy and then sending it to a missionary on an Indian reservation are true. So are the events related to Christian, his son, with whom he shares his experience years later. Many of the events involving the soldiers in training, Vietnam and as POWs are also based on true stories of those who were really there. The rest is mostly fiction designed to encapsulate the lessons learned in a dramatic and touching way. Mark has spent much of his finance and accounting career writing technically for his corporate audiences. Even though he has b...