The Lost Symbol - Author Dan Brown

The Lost Symbol is a thriller set in Washington, D.C., after the events of The Da Vinci Code. Robert Langdon is called once again to try to save a fellow friend while trying to solve the mysteries that surround the widely known organization called the Freemasons and takes you on a whirlwind chase through Washington D.C.

The DaVinici Code - Author Dan Brown

The Da Vinci Code is a mystery-detective fiction novel. It once again follows symbologist Robert Langdon and Sophie Neveu as they investigate a murder in Paris's Louvre Museum and discovers a battle between the Priory of Sion and Opus Dei over the possibility of Jesus Christ of Nazareth having been married to and fathering a child with Mary Magdalene.

Angels & Demons - Author Dan Brown

Angels & Demons revolves around the quest of fictional Harvard University symbologist Robert Langdon to uncover the mysteries of a secret society called the Illuminati and to unravel a plot to annihilate Vatican City using destructive antimatter. The book uses the idea of a historical conflict between science and religion, particularly that between the Illuminati and the Roman Catholic Church.

Men are from Mars, Women are from Venus - Author John Gray, Ph.D.

Men are from Mars, Women are from Venus is a book by John Gray offering many suggestions for improving men-women relationships in couples by understanding the communication style and emotional needs of the opposite sex.
The book, as suggested by the title, asserts the notion that men and women are as different as beings from other planets.
An example of the theories it offers is that women complain about problems because they want their problems to be acknowledged, while men complain about problems because they are asking for solutions.
Other concepts in the book are the difference between women and men's point systems and how they react under stress.