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! Series include: Butterflies, Crocodiles, Dinosaurs, Farm Animals, Safari Babies, Snakes, Sharks, Spiders, Whales, Wolves, Puppies, Wild Cats, Bugs, Birds of Prey, Fish, Frogs, Apes, Seals, Bats, Bears, Predators, Mummies, Volcanoes, Lizards, Kittens and Horses.