In previous games, if you wanted a tutorial, you could read the brown book on Nancy's desk to find out how to navigate within the game. This time, however, there's a tutorial available from the main menu that you can run through any time, and the book on Nancy's desk is just a bit of the background.
This is the low-spoiler guide for "Why can't I read the book on Nancy's desk in the intro?" puzzle in Nancy Drew: Sea of Darkness. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.