Cusco The Gateway to Inner Wisdom
Autor:Dunn, DianeCuentos incas para niños - Inca tales for Children
Autor:Bardalez Zambrano, Carmen Gretel; Chacon Rosasco, CesarBirds of Cusco and Machu Picchu = Aves del Cusco y Machu Picchu
Autor:Chacón Rosasco, César; Bardález Zambrano, Gretel