Children's LiteratureDr. Clock is a time traveler, and as he prepares to make a journey back to the Ice Age, his baby decides to come along. The good doctor wants to see and study a saber-toothed cat and be back home in time for lunch. Then Dr. Clock, who seems to be a bit of an absent-minded professorial type, discovers that the patch of what appears to be grass that he is standing on is the back of a woolly mammoth and that the claw marks he sees on a tree could be that of the creature he is seeking. He discovers some scat and puts it in a jar and then comes face to face with the giant cat. Wasting no time, Dr. Clock races back to his time machine and baby also manages to come along for the return home. Baby has a lot under his hat and as a scientist; Dr. Clock is full of even more questions. It is a somewhat silly story, but it does teach a few interesting facts about the Ice Age and does introduce kids to the scientific term for poop. A Level One (Reading Level 1.9) "Holiday House Reader" targeted to kids in Grades K-1. 2004, Holiday House, Ages 5 to 7.