Roberta Williams' Laura Bow in The Dagger of Amon Ra (also known as Laura Bow II) is a computer game published by Sierra On-Line in 1992. The game is the second and final installment in The Laura Bow Mysteries line of adventure games, the first of which was The Colonel's Bequest. Unlike the first game, it was not written or designed by Roberta Williams, but she was a creative consultant on the project. It uses 8-bit color and a point-and-click interface. The CD-ROM version included voice acting. The Dagger of Amon Ra was developed using Sierra's Creative Interpreter (SCI1.1). It is a spiritual sequel to the original game, containing the same elements and themes as the first, and is a more traditional point-and-click adventure. It was re-released in 2017 on GOG.com with modern Windows support.

The Laura Bow games were distinctive in that they required some actual logical detective work on the part of the player; for the most part, though, the puzzles were of the typical variety of inventory and environment interaction (and frequent, often unexpected, player character death) found in most Sierra adventures.

Gameplay utilizes a point-and-click interface featuring icons for various actions, similar to other Sierra games published during that time. An additional icon is used to ask characters a question about a topic listed in Laura's notebook, which auto-populates with names, places, and other subjects that she has previously heard or encountered.

The identity of the murderer is not automatically revealed at the end of the game. Instead, the player is asked a series of questions, ostensibly by the police, to prove that Laura had solved the crimes and discovered the secrets of the other suspects. If the questions are answered incorrectly, the coroner will give a hint to point the player towards the path that would have revealed the correct answer in subsequent gameplay. The ending of the game can change depending on the answers given to the questions, most notably in that Laura can be killed if the player does not know the identity of the main murderer.

The game includes "The Official Guide to the Leyendecker Museum", which also serves as the game's manual. It features a map of the main level of the museum and a rough drawing of the lower level.

The game is set in 1926, primarily in a museum, and reflects the Egyptology craze of the period. The protagonist is Laura Bow (a reference to Clara Bow), a Southern belle who has just graduated from Tulane University and moved to New York City, where she has landed a job at a prestigious newspaper, The New York Daily Register News Tribune. For her first assignment, she investigates the theft of the Dagger of Amon Ra from the Leyendecker Museum's Egyptian exhibit.

Laura's investigation begins with interviews around the city before attending the museum's fundraising gala that evening. When the first murder occurs during the party, she becomes locked inside with all the other suspects. Trapped overnight in the museum, Laura must navigate increasingly dangerous circumstances as additional crimes unfold throughout the building's exhibits and hidden passages.

The investigation reveals multiple interconnected schemes involving art forgery, identity theft, and a secret Egyptian cult operating in the museum's basement. Laura discovers that the museum's Egyptian collection harbors both ancient mysteries and modern deceptions. The case grows more complex as she uncovers romantic entanglements among the staff, a criminal network extending beyond the museum, and evidence that the original theft was orchestrated from within.