Which is the No 1 book in the world?

The No. 1 book in the world is The Da Vinci Code by Dan Brown. This novel has been a bestseller since its release in 2003, and has since become one of the top 100 best selling books of all time.

The Da Vinci Code is a thrilling mystery novel that follows the story of Robert Langdon, a Harvard professor of symbology, as he attempts to unravel a murder mystery involving the Priory of Sion, a secret society that has been guarding a centuries-old secret. Along the way, Langdon discovers clues hidden in the works of Leonardo da Vinci, and must use his knowledge of symbols and codes to solve the mystery.

The novel has been adapted into a major motion picture, and has been translated into 44 languages. It has sold over 80 million copies worldwide, making it one of the most successful books of all time.

The Da Vinci Code is not the only book by Dan Brown to make the top 100 best selling books of all time. Other titles include Angels & Demons, The Lost Symbol, and Inferno. Brown is one of the most successful authors of all time, and his books have sold over 200 million copies worldwide.

The Da Vinci Code is a must-read for any fan of mystery and suspense. Its gripping story and intriguing characters make it a timeless classic that will remain a favorite for years to come.