21 books • 3 series
Canoeing and Kayaking
Fishing
Camping
Hunting
Snowboarding
Hiking
Northern Lights (Lighting Up the Sky)
Rainbows (Lighting Up the Sky)
Comets (Lighting Up the Sky)
Shooting Stars (Lighting Up the Sky)
Lightning (Lighting Up the Sky)
Eclipses (Lighting Up the Sky)
Cherry Pickers (XL Machines!)
Backhoes (XL Machines!)
Bulldozers (XL Machines!)
The History of Porsches (Under the Hood)
The History of Corvettes (Under the Hood)
The History of Mustangs (Under the Hood)
The History of Ferraris (Under the Hood)
The History of Alfa Romeos (Under the Hood)
The History of Lamborghinis (Under the Hood)