From the Front Cover:
Life on the Moonsea isn't easy. Bandits, pirates, and cruel lords dominate the land, threatening those who make an honest living there. Now, a new scourge is prowling the waters: A ghost ship has been striking small coastal villages, leaving its victims whispering about the "eye of the dracolich." Join the adventure and learn the truth behind this threat! An adventure for 1st-4th level characters.
From the Introduction:
Welcome to Shadows over the Moonsea, a D&D Expeditions adventure, part of the official D&D Adventurers League organized play system and the Tyranny of Dragons storyline season.
This adventure is designed for three to seven 1st-level characters, and is optimized for five 2nd-level characters. Characters outside this level range cannot participate in this adventure. Players with ineligible characters can create a new 1st-level character or use a pregenerated character.
The adventure is set in the Moonsea region of the Forgotten Realms, in and near the city of Phlan.