Mira adentro: Tu corazón y tus pulmones (Look Inside: Your Heart and Lungs) 6-Pack

Discover how the heart and lungs work together to keep the blood flowing and the body breathing in this book that provides pictures of real hearts and lungs and accompanying diagrams. Readers will learn about circulation and breathing as well as related vocabulary.

Hace veinte años, la represión provocada por la dictadura argentina hizo "desaparecer" a 30.000 personas. Hoy se sigue buscando esa memoria a través de los vivos que no olvidan a los que perdieron entonces. La historia de Estela es una más. Tan real que está sucediendo ahora mismo en muchas partes.

Go-Karts are a fun and thrilling way to hit the road! This exciting, Spanish-translated nonfiction title invites readers to explore different parts needed to build a go-kart, velocity, speed, and how to stay safe in this fun motorsport. Using detailed images, charts and diagrams, informational text, and interesting facts in conjunction with mathematical skills and upper-level features such as a glossary of terms, an index, and a chapter format, readers are sure to be engaged and excited from cover to cover!

What does masculinity or being a boy mean in this society? If you are a boy, or ever were, The Golden Book of Boys contains words and images that will help you remember how powerful you are, but powerful in a different way than you may have been told until now... It is a book against the tide. A strange book. A journey back to how wonderful you are. A book that invites you to respect yourself, to obey yourself and to be yourself (something that nobody usually tells us). Maybe it will help you to remember how wonderfully vulnerable you are and to heal old wounds.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.