Dinosaurs is a simplified reference guide to the main types of dinosaurs and how and when they evolved to become the dominant land animal on Earth for over 100 million years. This …
Geology is the perfect pocket-sized, folding guide for the nature enthusiast. The guide simply explains geological processes, the differences between rocks, minerals and gemstones, …
Dinosaurios es una gu a de referencia simple para identificar los principales tipos de dinosaurios y c mo y cu ndo evolucionaron para convertirse en el animal terrestre dominante …
