David Niven

David Niven has written at least 14 books. Their most popular book is 100 Simple Secrets of Healthy People: What Scientists Have Learned and How You Can Use it with 6 saves with an average rating of 3.25⭐.

They are best known for writing in the genres Juvenile Nonfiction, Health & Fitness, and Young Adult.

emotional, reflective, and lighthearted are their most common moods.