El secreto de la eternidad

From Yggdrasil, the prodigious tree that houses the nine kingdoms of the world, in these pages we travel through the rich mythical universe of Scandinavia. As if it were an adventure book, we learn about the adventures of Odin, the wise and powerful god, the misfortunes caused by the rebel Loki, the clashes between Thor and his hammer Mjolnir... until we reach Ragnarok, the decisive great final battle. His deeds are intertwined with those of legendary heroes such as Erik the Red, Siegfried or Beowulf. An epic and exciting journey between the fearless Viking warriors and the fascinating Norse...

A menudo, las matemáticas han sido sinónimo de dificultad y aburrimiento, lo cual es totalmente injusto. Todo es matemáticas: desde el número de los latidos de nuestro corazón hasta las órbitas de los planetas. Este libro quiere devolver a las matemáticas el puesto que se merecen en los corazones de los jóvenes. El libro contiene: un relato, que trata del misterio del cuadrado mágico; 20 preguntas y respuestas con todo lo esencial que hay que saber sobre las matemáticas; la mochila del sin-vergüenza que incluye un montón de curiosidades complementarias, para aquellos que no tienen ...

Lily Parker, a junior at St. Sophia's School for Girls, is distracted by preparations for the fall formal when a Reaper infiltrates the school and Lily discovers that a magic blackout in Chicago may prevent her from driving him out.

The My Letter Library series is a lively, interactive way to introduce young children to the alphabet. Each of the twenty-six books in this unique series focuses on an individual letter both capital and small. Minimal, fun text and cuddly animal characters show where objects beginning with that letter appear in the child's world whether at home, on a street, or at a picnic. The youngster is then invited to look around and find objects starting with that same letter for him or herself.