I'm Double Jabbed, I Don't Know O Omnicron, or Unicon, That.

Mark O'Mara was diagnosed with a rare form of cancer last week. He has now been given the all-clear and is back at his desk writing again. His new book will be called 'Omnicron, or unicon', in honor of transformes villains. Here he explains what it's like to learn an alphabet for the first time.