Un club matemático para la diversidad

There are many kinds of friends including invisible ones, family members, pets, pen pals you have never met, and best friends. This book celebrates the special bond in all its diversity.

Do you have what it takes to be an athlete? Readers learn about the hard work and dedication that athletes of all levels go through to be healthy and successful. Along with stunning photos and charts and riveting facts, this Spanish-translated title includes an interview with a real-life Olympic athlete and an accessible glossary, index, and list of useful sources.

Laura vive con su abuela Ana en un tranquilo pueblo rodeado de montañas. Su abuela es experta contando cuentos. Un buen día, después de una fuerte tormenta, Ana empieza a contarle un cuento fantástico. Un relato de aventuras, magia y amor que hipnotizará a la pequeña Laura durante varias semanas, hasta el punto incluso de reconocer a algunos personajes del cuento en personas de la vida real.

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.