¿Por qué celebramos el Día de los Caídos? (Why Do We Celebrate Memorial Day?)

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

Nathan del Amico es un prestigioso abogado de Nueva York, pero ni la fama ni la fortuna consiguen que su vida deje de ser aburrida. Hasta que un buen día conoce a Garrett Goodrich, un doctor de cirugía oncológica con poderes sobrenaturales. Tras sobrevivir a su propia muerte clínica, Goodrich se convirtió en un Mensajero, es decir, en poseedor del don de identificar a quienes están a punto de morir.

These biographies introduce young readers to important figures in American history. Ideal for reports and correlated to the social studies curriculum, the series presents a straightforward account of each individual's life and times and describes how each person contributed to the shaping of our nation.

Many desert animals around the world are in danger of becoming extinct. In this enlightening, Spanish-translated nonfiction title, readers will learn a few of the causes of extinction in the desert and what problems extinction causes for animals, wildlife, and humans alike. Through vibrant photos of beautiful animals and stunning facts in conjunction with informational text and useful charts and diagrams, readers will learn and understand concepts such as habit loss and learn ways that animal activists help to protect animals and their environments, as well as helpful tips to get involved in...