[Penguin Young Readers Level 3] Get to know the tallest animals on earth—giraffes!—in this Level 3 reader. Giraffes have been a source of interest for thousands of years. Some were even kept as pets in Egypt! As the tallest animals on Earth—some can be nineteen feet tall—giraffes are distinct, and their anatomy makes them only more interesting. Did you know that giraffes have the same number of neck bones that humans do? Giraffes also have tongues that are blue-black in color and more than a foot long. You can learn all about giraffes in this exciting book!