Have you ever considered what your life might be like, had you never heard the Gospel?  Have you ever considered the lives that were sacrificed to ensure you the opportunity?  Foxe's Book of Martyrs is a compilation of short biographies on those faithful unto death to the task of spreading the good news throughout the world.  If you have chosen to seek God's face and serve Him with your whole heart, you know some degree of suffering.  This book will help you put your own challenges into proper perspective.