Colombina y el pez azul

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make...

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

Lincoln Rhyme and Amelia Sachs return to face a criminal whose ingenious staging of crimes is enabled by a terrifying access to information. When Lincoln's estranged cousin is arrested on murder charges, the case is closed. Forensic evidence from Arthur's home is found all over the scene of the crime, and it looks like the fate of Lincoln's relative is sealed.

Dirigido a lectores infantiles, este libro se caracteriza por captar efectivamente la atención y el interés de sus pequeños lectores gracias a una presentación gráfica realmente espectacular. Aprovechando la gran cantidad de imágenes sobre temas de astronomía disponibles en la actualidad, las cuales tienen además una alta resolución y una impresionante calidad, el libro despliega un atractivo repertorio gráfico para ilustrar temas apasionantes tales como las naves espaciales y las actividades y desafíos que caracterizan la labor de los astronautas. El contenido se concentra en...