Reader's Digest Condensed Books Volume 4-1974. The Boy who invented the bubblegum, The good Shepherd, The property of a gentleman, His Majesty U-Boat. From the property of a gentleman: Outsiders are not welcome at Thirlbeck, an isolated country estate. Joanna Roswell comes there to appraise it's antiques. She stays on to fall in love with the house, pg 293,