This is one of my favorite books that I like to revisit from time to time. Not only is it a great adventure, but by the time you finish reading it, you will NEVER forget what a gerund is! Two boys, in parallel times, live in the same lonely mansion with a cat-who-is-not-a-cat. They have no idea how they came to be in that place, no name save the one the cat-who-is-not has given them. Outside the mansion, snow falls deep and the sounds of horses' hooves and baying hounds can be heard. The cat has warned the boys, in their time in space, not to venture out. Of course, one of them does...