"Three Fives" is an exciting adventure book written by the famous American writer John Smith. The main character, a boy named Jack, accidentally opens an old math textbook with mysterious five fives on the cover. Starting to solve problems from this book, Jack and his friends discover that these numbers have an unusual power - they help fulfill wishes! But at the same time, they present the boys with dangerous challenges that put their lives and friendships at risk. Will the heroes be able to overcome all the obstacles and keep the mysterious five safe? This exciting story about friendship, faith and life principles will not leave any reader indifferent.