The Demas Revelation by Shane Johnson

During a dig in Rome, Dr. Anna Meridian—an archaeologist and woman of faith—uncovers the find of a lifetime: ancient documents dating to the time of the apostles, confessions that the early Christians are perpetrating a falsehood. She decides she must keep the documents' existence a secret, but word eventually leaks out.

Many turn from their faith as another earth shattering discovery sheds more light on the validity of the manuscripts. The archaeologist searches for meaning in it all—why did these manuscripts come to light and what is her part in God's plan?