Fred and the Little Egg by Julia Rawlinson and Jane Massey

Fred wants to hatch an egg. So he sets off to find an egg of his very own. And it isn't long before he finds a teeny weeny brown egg that needs a little bear just like Fred to care for it. But bears don't have eggs, do they? "This bear does!" says Fred proudly. But does he really...? Fred the little bear learns all about nurturing in this humorous story.