Book excerpt: The father of Nick Vujicic, one of the world's most beloved persons with a disability, shares candidly the mistakes and successes in raising a child with unique challenges - from birth to an independent and satisfying adulthood. Nick Vujicic acknowledges that overcoming his physical challenges would have been impossible without the wise and effective efforts of his parents and family. Nick's father, Boris, tells the story of what it took to parent such a unique child. And he offers insight and practical advice to any parent raising a child with special needs.