Buku Audio yang Dikarang by Christopher Nicholas

Kids Ask About Wolves

Know-It-Alls! Predators

Know-It-Alls! Bears

Insects

Know-It-Alls! Snakes

Lobos (Wolves)

Know-It-Alls! Flying Creatures

Know-It-Alls! Animals

Kids Ask About Lizards

Volcanoes

Know-It-Alls! Volcanoes

Know-It-Alls! Fish

Spiders

Know-It-Alls! Lizards

Know-It-Alls! Bugs

Bears

Know-It-Alls! Wolves

Know-It-Alls! Interesting Creatures

Know-It-Alls! Jungle Animals

Know-It-Alls! Spiders

Kittens

Serpientes (Snakes)

Fish

Kids Ask About Snakes

Know-It-Alls! Kittens