"The Chocolate Soldier, or Heroism - The Lost Note of Christianity" is a book written by Charles Thomas Studd that encourages readers to discover the hidden reserves of Christian heroism within themselves. The author appeals to the idea that every Christian should be ready to stand in the war of spiritual forces, save souls and carry out his faith through actions, not words. This book is known for its challenging approach to Christian ministry and calls readers to determination and commitment in the life of faith. "The Chocolate Soldier, or Heroism - The Lost Note of Christianity" will be a guide for those who seek to find the true understanding and meaning of their faith.