Los ciclos de vida de los insectos (Insect Life Cycles)

"Amphibians have some of the most interesting life cycles on Earth. The metamorphosis frogs, toads, salamanders, newts, and caecilians go through has many steps that readers need to understand and remember. This book offers a concise overview of the general amphibian life cycle as well as representative examples of the many species within the animal group. Most importantly, the accessible language is paired with diagrams of the steps of the life cycle to augment readers' understanding of this topic often found in the science curriculum."

This engaging and important biography examines the many masks of the infamous Anthony Blunt (1907-1983), the Cambridge art historian turned spy who worked simultaneously for British Intelligence and the Soviet Union during World War II. Two 8-page photo inserts.

¡Se acabó el aburrimiento! 365 juegos de los de siempre, ¡tantos como días tiene el año! El libro ideal para disfrutar con amigos o en familia y ¡lejos de las pantallas! El juego es una actividad innata al ser humano. Forma parte de su naturaleza y no existe sociedad o cultura en la que no se haya practicado. Además, jugar es la manera de socializar en la infancia y se convierte en un legado entre generaciones. A través del juego, exploramos el mundo que nos rodea, se desarrolla la imaginación y potenciamos nuestra creatividad. Este libro ofrece 365 ideas de juegos tradicionales, y...

Anticipándose a los pronósticos más pesimistas, el volcán de Cumbre Vieja, en la isla de la Palma, ha terminado por fracturarse y millones de toneladas de roca se han precipitado al mar. La consecuencia es la formación de una ola gigantesca que se propaga

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish...