This 4-in-1 audiobook box set includes books four through seven of the Rogue Merchant LitRPG series, following a trader named Cat on his journey to find the lost Keys to the Sphere of Words.

Book 4: Battle for the North
Pandorum is launching a massive offensive, aiming to destroy Cat and his clan. As they're blazing through everything in their path, can Cat stay on the sidelines?

Book 5: The Devil Archetype
In the endless game of Sphere of Words, the trader named Cat continues searching for the Keys hidden by the dead creators of the virtual reality.

Book 6: The Dreamweaver
In their search for the Keys, Cat and Weldy set off for the Abyss, where Cat is about to play against the strongest of all the oracles: the legendary Demon King.

Book 7: The Starlight Fleet
Cat must brave the most dangerous place in all of Sphere: the Cloud of Bones. But his smarts, his cunning, his luck, and the Law of Balance are on his side.