Forest fires
Free to read here, from Project Gutenberg.
Unexplored!
Through Forest and Fire
The Young Wireless Operator—As a Fire Patrol
The Boy Scouts as Forest Fire Fighters
Fire at Red Lake
The Radio Girls at Forest Lodge; or, The Strange Hut in the Swamp
Grace Harlowe's Overland Riders on the Lost River Trail
Fire of retribution
The Safety First Club fights fire