88 books • 18 series
Weta Gigante: Insecto Gigantesco (Giant Weta: Mammoth Insect) (Los Animales Más Grandes del Mundo (World's Biggest Animals))
Cocodrilo de Agua Salada: Reptil Gigante (Saltwater Crocodile: Giant Reptile) (Los Animales Más Grandes del Mundo (World's Biggest Animals))
Salamandra Gigante China: Anfibio Grandísimo (Chinese Giant Salamander: Huge Amphibian) (Los Animales Más Grandes del Mundo (World's Biggest Animals))
Ballena Azul: Mamífero Masivo (Blue Whale: Massive Mammal) (Los Animales Más Grandes del Mundo (World's Biggest Animals))