Facts, Puzzles, and Maps from Countries around the World (Grades 4-6). World Searches takes students on a tour of Ecuador with an anaconda or lets them view Mongolia through the eyes of Genghis Khan! This unique social studies resource presents 24 countries from around the world., Facts, Puzzles, and Maps from Countries around the World, Grades 4 to 6, Informative country summaries, Word puzzles and riddles, Comprehension questions, Full-page country maps, 8.5in. x 11in., 128 pages.