Strap in for a topsy-turvy day with best hippo friends George and Martha! Whether it's helping each other brave tight ropes and amusement park rides, George and Martha discover that there's nothing more important than building up a friend's confidence. A man with a talent for friendship, James Marshall defined its very essence in his stories about the world's two best friends. Each of these five brief tales is filled with humor, and James Marshall's drawings are guaranteed to spark feelings of empathy, delight, and self-recognition.