La Sierra de la Demanda

Two books in one, this oversized volume shows readers the plants, root systems, insects, fossils, animals, mines, gems, minerals, and man-made wonders such as tunnels, subways, submarines, pipes, cables, and power lines that can be found underground or underwater in an unforgettable visual way. Each page takes you deeper and deeper under the waves or through layers of earth.

With over one million sold in the series, these books deal with concerns youngsters encounter in their daily lives. Each book points out the good news of God's love and forgiveness, while the supporting Scripture verse emphasizes the point of each story.

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

James es un nene pequeño y esta triste. Su mejor amigo se llama Medianoche, un perrito de color marrón y blanco que James amas muchísimo. James recibo Medianoche como regalo de Navidad de Papa Noel. ¿Quieres saber porque James esta triste?