Mark Twain is an American writer, journalist and social activist. His work covers a variety of genres - humor, satire, philosophical fiction, journalism and others, and in all these genres, he has consistently taken the position of humanist and democrat. The book covers more than religion. It covers a broader range, noting author’s opinions on a variety of subjects. Mark Twain really takes a turn on religion and he makes a lot of sense. This book full of belly laughs.