When is Professor Layton and the Mansion of the Deathly Mirror set in relation to the other games?

"Professor Layton and the Mansion of the Deathly Mirror" is set between "Professor Layton and the Last Specter" and "Professor Layton and the Miracle Mask." It serves as a part of the series' overarching narrative, exploring the characters' development and their adventures in a mysterious mansion. This placement allows it to connect the events of the earlier games with the evolving storyline in the subsequent titles.