Catástrofes que marcaron la historia (Unforgettable Catastrophes)

Esta historia cuenta cómo un niño, sin quererlo, sube a un cuadrilátero: sólo que el combate no será máscara contra cabellera, como los que tanto disfruta en los espectáculos deportivos. Tendrá que pelear con toda su fuerza interior para sanar de leucemia, un viejo y mañoso adversario.

Posing questions which range from the most unusual matters to the most elementary ones, Questions that make your hair stand on end 2 focuses on the Earth and the Sun. Readers will be able to entertain themselves with very illustrative experiments and will also get to know what is so special about the Eiffel Tower, who Diogenes was, why Magellan lost a day on his way, why we get goose bumps, how can temperature be measured with a cricket, among other curious facts. In addition to the recognition of critics and readers, Questions that Make Your Hair Stand on End 2 was awarded the Premio...

Bike riding is a lot of fun, but it can also be dangerous. Read about how people have made cycling safe over the years. Learn how bicycles have changed over time and how bike parts, equipment, and trails make cycling safer. Created in collaboration with the Smithsonian Institution, this Spanish book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from Smithsonian employees...

A young boy eagerly awaits the birth of his brother or sister, while imagining that the baby is in a house inside his mother.