SINOPSIS DEL LIBRO

<p>Back to the Stone Age Edgar Rice Burroughs - The fifth installment of Edgar Rice Burroughs's Pellucidar series, Back to the Stone Age recounts the strange adventures of Lieutenant von Horst, a member of the original crew that sailed to Pellucidar with Jason Gridley and Tarzan who is left behind in the inner world. Von Horst wanders friendless and alone from one danger to the next among the Stone Age peoples, mighty reptiles, and huge animals t...Seguir leyendo