The Battlepits of Krarth (Blood Sword Book 1)
How to Dungeons & Dragons: A Beginner's Guide to Dungeons & Dragons 5e, for Players
Dungeon Master's Workbook of Worldbuilding (Dungeons & Dragons): An Official Companion to the Dungeon Master's Guide
Cairn Player's Guide - 2nd Edition
MOAR! Monsters Know What They're Doing (The Monsters Know What They’re Doing Book 3)
The Game Master's Deck of Boons and Banes: 40 game-changing, character-shifting cards and a companion book for 5th edition RPG adventures (The Game Master Series)
The Young Adventurer's Collection Box Set 2 (Dungeons & Dragons 4-Book Boxed Set): Beasts & Behemoths, Dragons & Treasures, Places & Portals, ... & Dragons Young Adventurer's Guides)
The Game Master’s Handbook of Proactive Roleplaying: Guidelines and strategies for running PC-driven narratives in 5E adventures (The Game Master Series)