29 books • 5 series
Cave-In
Camp Sauvage (Orca Currents En Français)
Mountain Runaways
Drone Chase
The Parkour Club
Stowaway
Tracker's Canyon
Bungee Jump (Orca Currents)
Andreo's Race
Paintball Island
Jump-Starting Boys
First Descent
Les Casse-Cous (Orca Currents)
Respira (Spanish Soundings) (Orca Soundings (Spanish))
Going Vertical
Mountainboard Maniacs (Take It to the Xtreme, #10)
BMX Tunnel Run (Take It to the Xtreme, #9)
Wake's Edge (Take It to the Xtreme, #7)
Dirtbike Daredevils (Take It to the Xtreme, #7)
Vertical Limits (Take It to the Xtreme, #6)
Daredevil Club (Orca Currents)
Surf Zone (Take It to the Xtreme, #5)
Skater Stuntboys (Take It to the Xtreme, #4)
Camp Wild (Orca Currents)