From publisher blurb:
Race to Uncover Secrets Buried by Disaster
Lost within the ruined House Cannith citadel of Whitehearth, an arcane workshop somewhere in the perilous Mournland, is the key to constructing a terrible magic weapon. Agents of the Emerald Claw will stop at nothing to recover the ancient device. As malevolent forces hunt for the artifact, only the most resourceful heroes will reach Whitehearth first and discover the secrets that lie within.
"Shadows of the Last War" is a stand-alone adventure for the Dungeons & Dragons game that will immerse your characters in the Eberron campaign setting. Designed to challenge 2nd-level D&D heroes, it pits them against one of Eberron’s most nefarious organizations.