"Two heads are better than one," it's always been said. But is another person always valuable, or can extra baggage keep an individual from achieving his goals? Both sides can be argued effectively, and both may be true depending on the circumstances. Two historical novels, The Grapes of Wrath and The Power of One, show how two sets of characters took different routes to achieve their goals and how they fared along the way. In The Grapes of Wrath, The Joads, a family of penniless migrant workers, travel to California to look for work, depending on the help of assorted strangers along the way, while The Power of One tells the story of Peekay, a young South African boy growing up alone in a hostile world bent on destroying his chances of success. The books portray very different views on life that are equally...