Tu buen amor propio

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.

la música del segle XX. Els assajos que componen aquest volum tracten de problemes inherents a la història de la música en les seves relacions amb la cultura, les ideologies i el pensament estètic del segle XX. I a la llum de l'evolució més recent es mostra que hi ha hagut gran multiplicitat d'experiències musicals vàlides. En els últims decennis s'ha pecat d'una sobrevaloració d'alguns corrents de l'avantguarda darmstadtdiana a obres de forta influència del pensament crític d'Adorn i de la seva escola. I aquestes reflexions són sempre d'extrema actualitat, de la solució de la...

Take a virtual tour of the Smithsonian! With this Spanish book, you’ll spend a day in the life of a bird keeper and learn how they are “hatching” new plans to help endangered birds. English language learners will read about how an egg hatches, the incubation period, and bird species such as the Kiwi, the emperor penguin, and the Guam rail. Created in collaboration with the Smithsonian Institution, this STEAM 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...

"Simple text and photographs present motorcycles, their parts, and how riders use them; in both English and Spanish"--Provided by publisher.