Lancaster Williams always wanted to be an archaeologist, but he didn¿t know how. After finishing his studies and his PhD with great success, he had doubts about how to continue his life. He had done placements in the best universities worldwide, even hobnobbed with eminent professors. However, prospects were not good. Everything changes when he meets Edgar Bowman, an archaeologist that will introduce Lancaster in a sector unknown for him: Commercial Archaeology. A company doing archaeology? That concept was new for him; however, it opened a new door for him to continue his profession. Lancaster become part of the staff in Edgar¿s company, monitoring earthworks in a highway. Soon, he would find out the lights and shadows of this sector, even questioning if he took the right decision in working there.This book is in Spanish.