1. 01. English Non Fiction Machu Picchu / by Kops, Deborah. Publication: Minneapolis : Twenty-First Century Books, 2009 . 80 p. : 27 cm. Date:2009 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Palenque / by Kops, Deborah. Publication: Minneapolis, MN : Twenty-First Century Books, 2008 . 80 p. : 26 cm. Date:2008 Availability: Copies available: (1), Actions: