El collar de hierro = The Iron Necklace
El 1er ferrocarril transcontinental del mundo = The World's 1st Transcontinental Railway
During the mid-19th Century, thousands of unknown workers from so many countries toiled incessantly and under great danger during the construction of the railroad that joined the Atlantic city of Colon with the Pacific city of Panama, making it the world's first transcontinental railway. This is its story. Bilingual text in Spanish and English. Approved by Panama's Ministry of Education for classroom use. Pinnacle Award winner for children's bilingual books.