Obama writes that when her husband came back from Ohio after a trip, he had a special surprise. "He didn't hop off Marine One carrying a bouquet of flowers," she wrote. "Instead, the package in his hand was a pair of bright green gardening gloves.... The gloves have been my go-to pair in the garden ever since. And I like the green, because no matter what season it is, it makes me think of a perfect spring day."

By Carolyn Kaster/AP