LIFE WITHOUT LIMITS is an inspiring book by an extraordinary man--Nick Vujicic, who was born without arms or legs but overcame his disability to live not only independently, but to live a rich, fulfilling life that is a model for anyone seeking true happiness.  Now an internationally successful motivational speaker, his key message is letting people know the importance of finding your life's purpose--even through pain.     In his youth Nick himself despaired about ever having a "normal" life, even to the point that he attempted suicide.  But with wisdom uncharacteristic of one so young, he realized that he could affect how his life proceeded. Now 27 years old, he is an internationally successful motivational speaker, helping people find the strength to overcome their difficulties however large or small. "Often people ask how I manage to be happy despite having no arms and no legs. The quick answer is that I have a choice. I can be angry about not havi