Becoming a mother is rarely what you expect.

Jane Roper never expected she'd have twins--or that they'd be such a spirited twosome. She didn't expect that finding the right balance of work and home would be so tricky. And she certainly didn't expect she'd grapple with a diagnosis of bipolar disorder during her daughters' toddler years. But she also didn't anticipate just how much joy, laughter and self-discovery motherhood would bring.

Full of warmth, honesty, occasional advice, and a generous helping of humor, Double Time is a smart and engaging account of...