Greatheart is a book written by Ethel M. Dell that tells a fascinating story of faith and courage. The protagonist, known as Greatheart, embarks on a journey to prove his devotion to an illustrated testimony that helps him find himself and his calling. This book explores themes of faith, hope, love, and courage, transporting readers into a world of adventure and spiritual exploration. "Greatheart" is a story that will leave its mark in the hearts of readers and inspire them to always believe in themselves and their dreams.