Writing my book about Oliver, the cat who saved Christmas, has brought back lots of memories of my own cats - sadly none of them with us now.The memories have provided me with plenty of inspiration for the book. Misty was a sweet, affectionate little Devon Rex. She had the loudest purr we'd ever heard. She liked to be warm, loved to sit on our laps for a cuddle and was often known to twine herself around my shoulders like a scarf! She was also happy to cuddle up to Sophie, ou