"What if Mary Bennet's life took a different path from that laid out for her in Pride and Prejudice? What if the frustrated intellectual of the Bennet family, the marginalized middle daughter, the plain girl who takes refuge in her books, eventually found the fulfillment enjoyed by her prettier, more confident sisters? This is the plot of The Other Bennet Sister, a debut novel with exactly the affection and authority to satisfy Austen fans. Ultimately,...