The Storage Room by Daniel Wilson

Will is a teen searching for his purpose in life and trying to figure out how to use his talents for God’s glory. He finds his answer on one fateful night at church when his mentor shows him a not-so-ordinary storage room. They are transported to a world of fantasy filled with monsters and danger, illustrating the spiritual battles that everyone goes through. Besides trying to survive the storage room, Will has to figure out how to use it in order to serve God and fulfill the purpose set out for him.