National Geographic Primary Readers is a high-interest series of beginning reading books that have been developed in consultation with education experts. The books pair magnificent National Geographic photographs with lively text by skilled children`s book authors across four reading levels.Level 2: Becoming fluentThese books are a good match for kids who are developing reading stamina and enjoy a longer book. They are ideal for readers of Green, Orange and Turquoise books.Learn all about frogs in this exciting children`s book. It`s full of beautiful and interesting images that teach kids all about these amazing animals. This level 2 book is appropriate for the first steps of independent readingfor a reading-aloud experience, perfect for motivating future scientists and explorers!