As part of the unique, science Know-It-Alls! Series that features stunning covers and engaging text, this book puts the spotlight on Dinosaurs! Did you know that Tyrannosaurus was the fiercest meat-eating dinosaur? It wasn't the biggest, but it was huge-7 tons (6.5 metric tons) of charging monster. At over 40 feet (12 m) long, it was a smart killer with sharp eyesight. Learn all about these prehistoric creatures and the paleontologists that study...

As part of the unique, science Know-It-Alls! Series that features stunning covers and engaging text, this book puts the spotlight on Whales! Baby whales, called calves, drink milk from their mother's bodies. Some calves may gain as much as 200 pounds a day! Awesome life-like illustrations and informative stat boxes, filled with interesting facts, make this 24-page book fun and exciting for young science enthusiasts age 4 and up! Titles in the Know-It-Alls!...

Did you know that ancient Egyptian mummy makers had special tools to extract brains through the nose? Or that before mummies became objects of scientific interest, people used to burn them as fuel? This book provides young readers with answers to these and other questions about mummies.