They often have a strong sense of authenticity. Since they are based on real events, readers can feel a deeper connection to the story. For example, in 'The Diary of a Young Girl', Anne Frank's real - life experiences make the story extremely poignant. Another characteristic is that they can educate readers about different historical periods or social issues. 'Unbroken' educates about the hardships of war. And they usually have characters that are relatable, like the mathematicians in 'Hidden Figures' who overcame discrimination.
First, they are believable. Readers don't have to suspend their disbelief as much as with fictional novels. In 'The Boys in the Boat', the real - life struggles and triumphs of the rowing team seem more tangible. Second, they can inspire. 'Into the Wild' has inspired many to seek adventure and self - discovery. Third, they often provide a unique perspective. 'The Immortal Life of Henrietta Lacks' gives a perspective on medical ethics and the exploitation of marginalized groups that is eye - opening.