'Tortoise Ride' by Meg Hunt 50watts). The story illustrated is that of Blondine, a princess lost in a forest due to the actions of her wicked step-mother, where amongst other adventures, she meets a great tortoise who offers her protection and to lead her out of the woods so long as she will sit on her back silently, without asking a single question, for six months. Another French fairytale has a princess who rides a tortoise- Babiole, but only when she has been cursed and turned into a (well-educated) monkey.
Which makes me think of Monkey, Sun Wukong riding the giant tortoise during his epic Journey to the West, and then I am reminded that I promised you more of Awazu's turtles, some time ago. Here are but a few: