What order do you read Dan books?

You're likely asking about the "Dan" series of books by author Dan Brown. There's no official reading order for his books, but here's a common suggestion:

Chronological order of publication:

1. Angels & Demons (2000)

2. The Da Vinci Code (2003)

3. The Lost Symbol (2009)

4. Inferno (2013)

5. Origin (2017)

6. The Girl with the Dragon Tattoo (2005) - This is the only book in the "Millennium" series, co-written with David Lagercrantz after Stieg Larsson's death.

"Robert Langdon" series order:

This order is generally considered the best way to experience the story arc of the fictional character Robert Langdon, who is the protagonist in several of Brown's books:

1. Angels & Demons

2. The Da Vinci Code

3. The Lost Symbol

4. Inferno

5. Origin

Other points to consider:

* "The Girl with the Dragon Tattoo" is a standalone book, so you can read it anytime.

* "The Girl in the Spider's Web" is a continuation of the "Millennium" series, written by David Lagercrantz. If you enjoy "The Girl with the Dragon Tattoo," you can read this book afterwards.

Ultimately, the best order to read Dan Brown's books is the one that you find most enjoyable. You can choose to read them chronologically, by series, or in any order you prefer.