← All Books

The Swarm
Fortress Kids Book 3
Middle Grade Sci-FiGameLitTower Defense
New Null variants appear — flyers, burrowers, and phase-shifters that bypass conventional walls. The team must completely rethink their defense strategy and develop counter-measures for each type.
Fortress Kids Reading Order
- 1Siege Night
- 2Salvage Run
- 3The Swarm(you are here)
- 4Sentinel Network
- 5Core Link
- 6Breach Point
- 7Deep Signal
- 8The Architect
- 9Core Offensive
- 10Last Stand
Ages 10-14·By Cole Decker
Find This Book in a Reading Guide
Compare the series by game mechanic, reading mood, and theme without revealing the later story.
8 books · 3 articles
From Games to Books
Find illustrated adventures for readers who enjoy progression, stealth, dungeon crawls, crafting, base building, party roles, or the satisfaction of mastering a system.
Explore this guide →10 books · 4 articles
Tower Defense & Building
Follow the complete ten-book Fortress Kids reading order as Jordan's neighborhood team turns salvage, blueprints, and cooperation into defenses against the Null.
Explore this guide →