La fábula de la montaña mágica

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

You re growing up and your body is changing. If you re a girl, you re likely experiencing the start of menstruation, your breasts are making themselves known, and you re noticing new hair that you might want to be rid of. If you re a boy, you may be experiencing something strange as you sleep, or sweating a lot and not wanting to shower. This book is a complete guide to the terrible and marvelous world of puberty."

Let’s Make a Volcano Spanish Edition. What do you know about a volcano? When a mountain erupts, it explodes! Hot melted rock, called lava, comes out of its top and flows down the side of the mountain! People need to keep away from real volcanoes, but you can have fun making your own volcano!

Este libro, Jugar a pensar con cuentos, narra las aventuras de la simpática mariquita Juanita que viajando por el mundo trae distintos cuentos, como recuerdos, en su mochila. Y como ese personaje sigue inquieto, su historia si llena de cuestionamientos sobre todo lo que los cuentos le hacen pensar. Este libro es un viaje reflexivo que invita a los niños a pensar mientras se divierten con Juanita y sus interrogantes.