Mary Griffin 
Ancient Bristlecone Pines [PDF ebook] 

One of the oldest trees on our planet is almost 5, 000 years old-a bristlecone pine named Methuselah. This fascinating book draws readers from the ancient world to the present through the incredible life cycle of this remarkable tree. Its main features, habitat, and more are described in intriguing detail, including adaptations that allow it to survive such a long time. Full-color photographs and fact boxes augment the interesting science content with fun facts and beautiful images of the majestic bristlecone pine.