From the back of the box:
"Heroes are made from great adventures, and this boxed set give your characters the chance to rise to heroism. This special collection includes five Dungeon Crawl Classics adventure modules tailored to form a complete campaign. They can be played consecutively as a single campaign, or individually. They are picked to cover a wide range of environments and themes, adding variety and interest to your game. Within this box you will find more than 200 pages of adventure:
Dungeon Crawl Classics #45: Malice of the Medusa, a level 1-3 adventure that sends the heroes to solve the curse of a desert city.
Dungeon Crawl Classics #43: Curse of the Barrens, a level 3-5 adventure that pits the heroes against barbarian tribes in the icy north.
Dungeon Crawl Classics #7: The Secret of Smuggler's Cove, a level 5-7 adventure that sends the heroes to battle smugglers on the coast.
Dungeon Crawl Classics #8: Mysteries of the Drow, a level 7-9 adventure where the heroes venture into the underdeep.
Dungeon Crawl Classics #12: The Blackguard's Revenge, a level 9-11 adventure in which the heroes must battle an undead army.
This boxed set is world-neutral and stand-alone. These adventures can unfold in any fantasy setting. Aside from the core d20 books, you do not need any additional products to play these all-new classic fantasy adventures."