[Set of 4 Maps]: Africa's Natural Realms; Bird Migration: Eastern Hemisphere; Great Migrations; The Great Rift Valley

Washington, DC: National Geographic, 2001; 2004; 2010; 2011. First Edition. Four 52x78cm color posters folded, as issued, into 13x20cm All near fine. Poster.

Four informational posters. Africa's Natural Realms (2001); Bird Migration: Eastern Hemisphere (2004); Great Migrations (2010); The Great Rift Valley: Dynamics of Life in the Albertine Rift (2011)