Did you know that one pair of rats has the potential for 15,000 descendants in a year? That rats' teeth are harder than steel? Focusing on such questions, this ... » 

Did you know that one pair of rats has the potential for 15,000 descendants in a year? That rats' teeth are harder than steel? Focusing on such questions, this book reveals the many ways rats' lives mirror those of humans. It is an account of a year spent in a garbage-strewn alley in lower Manhattan. «