145 books • 25 series
Top Ten Longest Wonders on Earth (Record-breaking Top Tens)
Top Ten Slowest Wonders on Earth
Top Ten Fastest Wonders on Earth (Record-breaking Top Tens)
Top Ten Biggest Wonders on Earth (Record-breaking Top Tens)
Kids Kitchen Cookbook
Ultimate Predators: Extinct Beasts (Ultimate Predators)
Ultimate Predators: Hunting Legends (Ultimate Predators)
Ultimate Predators: Small but Fierce (Ultimate Predators)
Ultimate Predator: Rulers of the Oceans (Ultimate Predators)
The Outdoor Survival Guide for Kids
Top Ten Fastest Wonders in the World (World's Top Tens)
Defenders of the Deep (Hair-Raising Predators)
Top Ten Biggest Wonders in the World (World's Top Tens)
Back in Time (Hair-Raising Predators)
The All-Stars (Hair-Raising Predators)
Top Ten Longest Wonders in the World (World's Top Tens)
Small But Lethal (Hair-Raising Predators)
Top Ten Slowest Wonders in the World (World's Top Tens)
Clever Hunters (If Dinosaurs Were Here Today)
Remarkable Beasts (If Dinosaurs Were Here Today)
Fierce Defenders (If Dinosaurs Were Here Today)
120 First Things That Go (Little Word Seekers, #3)
Extreme Predators
If Dinosaurs Were Here Today