Each spread in this book introduces a STEM topic related to physical science, biology, astronomy or the human body, while a furry cat uses a scale to determine if the fact is Wow! No Way! OMG! Gross! or Mind-Blowing! Packed with key science topics, hilarious jokes, puns and cats, and building on the popularity of online cat videos ... kids will find this book is just purr-fect! 112 pages, paperback.