Gary Gardner 
The Beacon [EPUB ebook] 

There is a Beacon positioned above our galaxy prohibiting other crafts from distant planets entering the area and visiting Earth. One night, a ship unintentionally crashed in Virginia. The man was injured. Baily found him on the road, took him home, and dressed his wounds. He asked Baily if he would be willing to help others who may need medical attention or a safe place to stay until help arrived. That would be the beginning of a friendship and also an exciting and perhaps a dangerous new life. Having to contend with visitors, prying eyes, and a life as a farmer, for Baily, it suddenly becomes a daunting task.