From publisher blurb:
Fight the Monster in its Den … If You Dare!
Book of Lairs brings you 24 great one-shot, monster lairs for 5th edition! Each of these exciting and unusual battlegrounds comes with a complete short adventure, including a hook, area hazards, tactics, and treasures, and many use monsters from the Tome of Beasts. Stage your 5th Edition fights in unforgettable locations like:
Alchemist’s Guildhall
Necromancer’s Cistern
Clockwork Tower
Den of the Rotten Kings
Lost Halls of Everforge
A Pirate Cove
Crypt of the Warlock
Citadel of the Void Dragon
A Dark Grove
Lost Fane of the Serpents
Branches of Yggdrasil
Tomb of the Scorpion Prince
Sky Stairs of Beldestan
Imperial Ghoul Outpost
Umbral Vampire Lair
And 10 more!