La secreta mision del 6.21

Explains what mathematics is and how it feels to do math, and shows some basic mathematical concepts such as sorting and measuring.

Soccer has been played for over 200 years in hundreds of countries across the globe. While it doesn't always get the same level of exposure that football or basketball enjoy in the United States, professional soccer is one of the world's most popular sports. Soccer has a number of living superstars who have changed the game forever with their talents and achievements. Readers will learn about Marta, often regarded as the greatest female soccer player of all time. The inspirational story of her life, trials, and journey to greatness is sure to turn young readers into soccer fanatics.

"Millones de persones creyeron que la muerte de Catalina en Sin tetas no hay para?so pondr?a fin a aquella tragedia familiar, pero en esta novela la historia contin?a gracias al fruto del amor prohibido entre su madre y su novio: ha nacido Catalina, la peque?a. Para que la ni?a no repita el camino de su hermana, los padres deciden alejarla del entorno dif?cil que la rodea y le recuerdan que se puede triunfar sin necesidad de transformar su cuerpo para encajar en la est?tica de los narcotraficantes. El miedo al mundo exterior no impide que Catalina se enamore y termine en una espiral de...

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.