Echo Park (BOSCH TV tie-in)Season One of the ten part television series BOSCH, starring Titus Welliver as Detective Harry Bosch, is based on three Harry Bosch thrillers: The Concrete Blonde, City of Bones and Echo Park. In 1993, Harry Bosch was assigned the case of a missing person, Marie Gesto. The young woman was never founddead or aliveand the case has haunted Bosch ever since. Thirteen years later, Bosch is in the Open Unsolved Unit when he gets a call from the DA's office.