The "Discovery Guides 14, 16" books by Ray Vander Laan, specifically titled "The Mission of Jesus" and "Cultures In Conflict Paul Proclaims Jesus As Lord part 2," are a set of nonfiction religious and spiritual books aimed at young adults and adults. Published by Zondervan in 2015, these trade paperback books delve into the history and teachings of Christianity, specifically focusing on the Mission of Jesus and the cultures in conflict during that time. With a total of 2 books in the series, this set offers an engaging and educational experience for those interested in biblical studies and Christian history. There are things underlined in pencil see photos for some examples