An unexpected arrival changes everything in David A. Tester's inspiring new memoir, "Angels in the Pigpen."

David is a small town minister whose world is turned upside down by the arrival of an injured piglet at his door.

He and his family soon fall in love with "Wilbur," who becomes more and more a part of the family as he gets older.

The bigger he gets, however, the harder it becomes for David to feed and control his rambunctious pet-and finally the local government orders Wilbur out.

Heartsick at the loss of their cherished pig, the Tester family's hope is revived when David...