As part of the unique, science Know-It-Alls! Series that features interesting science facts, this audio-book puts the spotlight on Farm Animals! Did you know that pigs are sensitive to the sun and don’t have any sweat glands? That’s why they like to roll in the mud to keep cool. Learn all about pigs, goats, chickens, cows, sheep, horses, turkeys and more. Awesome narration and sound effects plus many interesting facts, makes this audio-book fun and exciting for young science enthusiasts age 4 and up! Titles in the Know-It-Alls!