Stein beck fears his fame will affect the way he is treated, so he does not use his real name or identity on his trip.
Steinbeck has seen little of America outside of major cities so he plans a trip to see the American countryside.
Steinbeck does not want to be lonely on his trip so he brings a dog with him.
Trailer parks cannot go everywhere or be parked everywhere, so he has a special building space built on a truck.