325 books • 112 series
Robots Discovering the Deep (Rise of the Robots!)
Robots Saving Lives (Rise of the Robots!)
Mysterious Disappearances (Spooked!)
Strange and Scary Creatures (Spooked!)
Cursed Tombs and Lost Treasure (Spooked!)
Robots Exploring Space (Rise of the Robots!)
Earth's Strangest Places (Spooked!)
Ghosts and Haunted Places (Spooked!)
Robots Fighting Wars (Rise of the Robots!)
Aliens and UFOs (Spooked!)
Robots Enforcing the Law (Rise of the Robots!)
Robots Improving Industry (Rise of the Robots!)
Enfants Du Monde: La Perte Et Le Deuil
Lethal Life Cycles (Life on the Edge)
Creepy Killer Plants (Life on the Edge)
Adapt or Die (Life on the Edge)
Fearsome Food Chains (Life on the Edge)
Amazing Animal Anatomies (Life on the Edge)
Saving the Asian Elephant (Mission Survival: Saving Earth's Most Endangered Animals)
Saving the Snow Leopard (Mission Survival: Saving Earth's Most Endangered Animals)
Saving the Orangutan (Mission Survival: Saving Earth's Most Endangered Animals)
Saving the Gorilla (Mission Survival: Saving Earth's Most Endangered Animals)
Saving the Sea Turtle (Mission Survival: Saving Earth's Most Endangered Animals)
The Science Behind Hurricane Horrors