Hillary Clinton

Before she became First Lady of the United States, Melania Trump was known for being a model in the fashion industry. In this engaging volume, readers get to take a look into her life, from her early years in Europe and her emigration to the United States to her move into the White House. Colorful photographs paired with concise text make for a captivating book that is sure to appeal to readers of many ages and levels.

Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us.

¿Dónde se encuentra la vesícula biliar? ¿Cuánto mide el intestino? ¿Se dice úvula o paladar blando? ¿Qué hay dentro de la bóveda craneal? ¿Cómo está hecho un globo ocular? ¿Y para qué sirven los alvéolos? Entre células, órganos, aparatos y tejidos, un viaje al cuerpo humano, con el corazón y con el cerebro, contado con rigor científico y alegría narrativa. De la cabeza a los pies, con todo lo que se encuentra entre medias.

Sesenta autores, desde catedráticos de universidad hasta estudiantes de Secundaria y Bachillerato, nos presentan los cuarenta desafíos que la Real Sociedad Matemática Española propuso con motivo de su centenario.Son cuarenta estimulantes retos que avivan el ingenio. Enfrentándose a ellos, el lector se sentirá un auténtico investigador matemático.Pero no hay que asustarse. No es necesario saber muchas matemáticas. La herramienta esencial para resolver los desafíos es pensar ordenadamente.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these fast dinosaurs face-to-face: The Gallimimus could outrun a sandstorm! The Struthiomimus may have been the fastest dinosaur. It could run up to 60 miles per hour! The Liaraptor ran until it took off into the air! These may have...