The Compendium of Dungeon Crawls Volume 4 is a collection of 5E adventures. The following adventures are included in this anthology:

Tales of the Emerald Isle, a collection of four short adventures inspired by Irish myths.
Ambush at Dragon’s Cove, a level 1 adventure set on a rocky coast.
Flight from the Forge Pits, a level 1 adventure set in a mountainous forge-lair of an ogre.
Murder in Bur Hollow, a level 3 mystery set in a frontier town and the nearby temperate forest.
The Sunless Garden, a level 7 dungeon crawl inhabited with an evil treant.
The Prism of Redemption, a level 12 plane hopping adventure against a mighty dragon.
Secret of the Slayer’s Sword, a level 12 adventure set in a lost shrine deep in the jungle.