Titles In this Set: Ocean Animals Forest Ocean Learn about the fish and plants of the ocean with Hidden World. Filled with bite-sized facts, multiple flaps and sumptuous illustrations, this book is perfect for introducing young children to the wonders beneath the waves. Animals Learn about animals and where they live with Hidden World. Filled with bite-sized facts, multiple flaps and sumptuous illustrations, this title is perfect for introducing young children to the worlds of the animal kingdom. Forest Learn about the flora and fauna of the forest in this beautifully illustrated, multi-flap book. Each spread is themed, with six flaps opening to reveal sumptuous illustrations and fun, bite-sized facts. This book is perfect for introducing young children to the wonders of the woodland.