The fourth title in a series of rugby novels for 9-11 year olds. Owain is looking forward to another year of playing rugby at Graig-wen. Of course, another ghost from the past comes to disturb him. A Welsh adaptation by Gwenno Hughes.

• Clawr
• Hawlfraint
• Gwibiwr Rygbi
• Pennod Un
• Pennod Dau
• Pennod Tri
• Pennod Pedwar
• Pennod Pump
• Pennod Chwech
• Pennod Saith
• Pennod Wyth
• Pennod Naw
• Pennod Deg
• Pennod Un ar Ddeg
• Pennod Deuddeg
• Pennod Tri ar Ddeg
• Pennod Pedwar ar Ddeg
• Pennod Pymtheg
• Pennod Un ar Bymtheg
• Pennod Dau ar Bymtheg
• Pennod Deunaw
• Pennod Pedwar ar Bymtheg
• Pennod Ugain
• Pennod Un ar Hugain
• Pennod Dau ar Hugain
• Pennod Tri ar Hugain
• Pennod Pedwar ar Hugain
• Pennod Pump ar Hugain
• Pennod Chwech ar Hugain
• Pennod Saith ar Hugain
• Pennod Wyth ar Hugain
• Pennod Naw ar Hugain
• Pennod Deg ar Hugain
• Pennod Un ar Ddeg ar Hugain
• Pennod Deuddeg ar Hugain
• Pennod Tri ar Ddeg ar Hugain
• Pennod Pedwar ar Ddeg ar Hugain
• Pennod Pymtheg ar Hugain
• Nodyn hanesyddol
• Y gyfres