From publisher blurb:
Welcome to Micklemass, finest city for a hundred miles. But lately the people of the outer city have been facing two rising threats. A crime gang led by someone named the Scarlet Rat has been harassing citizens and exerting control over their lives. Meanwhile, kobolds are increasingly raiding supplies and making nighttime travel dangerous.
The outer city needs help, but the City Guard doesn't have the strength to stop the problems.
Tunnels of the Scarlet Rat is an immersive 5E adventure made to take players from level 1 through to level 3 and includes:
10 new monsters, including 6 new types of kobold
5 new magic items
Over 30 NPC's fleshing out a living city
19 illustrations of monsters, magic items, NPC's, and adventure scenes
DM and player maps for the city and multiple locations
Dig into the clues and discover the secrets of the Tunnels of the Scarlet Rat.