Un montón de hojas (The Leaf Pile)

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

Uncovers the secret codes that different animal species use to relate to each other, revealing that communication among certain animals is not different from human communication.

Did you know that early explorers initially thought that California was an island? Learn how California was discovered with this Spanish book that focuses on the history of California. Students will learn about the contributions of Henry Hudson, Juan Rodriguez Cabrillo, Hernan Cortes, Francisco de Ulloa, and Sir Francis Drake. With a visually appealing layout, this primary source book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and ...

Saturno Airlines es la nueva aerolínea de Cristian Cipriani y la única que te ofrece viajar a destinos tan exclusivos como tu alma, tus deseos ocultos y tus sueños más descabellados. Saturno te permite viajar solo o con un acompañante especialmente elegido para cada trayecto, el equipaje debe ser ligero, sólo lo que puedas cargar contigo pues no queremos que tu viaje se vea estropeado por pesos innecesarios y lastres inútiles. Saturno Airlines te brinda una atención personalizada que te permitirá realizar cada trayecto con confianza y tranquilidad. ¡No esperes más, ven a hacer el...