Ruth Wright creates the best Machu Picchu material I have found. If you can find a copy, also highly recommend is her “The Machu Picchu Guidebook, A Self Guided Tour.” Beautifully illustrated, very thoughtful, they will enrich your trip.
From the author of the bestselling Machu Picchu Guide -
book comes a jaw-droppingly gorgeous photographic
journey through the incredible feat of architecture, art, and
design that is Machu Picchu, one of the New Seven
Wonders of the World. Wright s pictures and captions
guide you gently through the well-preserved ruins, revealing
their expansive harmony with the noble mountainscape
that surrounds them, and at times pulling in close to
observe the intricate details and ingenuities characteristic
of the Inca who built them.
Ruth M. Wright wove a thirty-year fascination with Machu Picchu
into an authorized investigation when she and her husband, Ken
Wright of Wright Water Engineers, were granted a permit in 1994
from the Instituto Nacional de Cultura de Peru to conduct ongoing
studies of the site. She lives in Boulder.