Topher and his father are trying to get over the death of Topher"s mother, an Egyptologist, when they take in a stray cat. This cat bears an uncanny resemblance to a cat ornament given to Topher by his mother and so they name it "Ka", meaning "double". Это и многое другое вы найдете в книге The Time-Travelling Cat and the Egyptian Goddess (Jarman, Julia)