La máquina del tiempo

A Niko se le acumulan los problemas en los distintos mundos. El tiempo se ha vuelto loco en la Tierra y corre hacia atrás. Quiona ha quedado atrapada en el Reino de Tiempo y reclama su ayuda. Para devolver la armonía a los multiversos, Niko y sus amigos deberán atravesar agujeros de gusano, teleportarse a lugares desconocidos, crear universos de bolsillo con las constantes universales modificadas y desafiar un sinfín de leyes de la física. ¿Saldrán victoriosos nuestros amigos de esta nueva aventura cuántica?

Take a trip to New Orleans with a young girl and her family as they attend one of the world's biggest parties: Mardi Gras! Learn all about the history of this fascinating festival as you practice subtraction strategies. This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning subtraction strategies relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading...

The sole survivor of a shipwreck, Beric was raised in a Celtic town, although he was considered a foreigner from the start. An old druid insisted he carried the curse of the sea with him, and when years later the town is devastated by death, the townspeople point an accusing finger at Beric. Banished from his tribe, he must survive on his own in the ruthless Roman world, where danger and death lurk around every corner. This book is part of the series of novels about Britannia written by renowned author Rosemary Sutcliff. Único superviviente de un naufragio, Beric se crió en un poblado...

Eragon es el primer título de la trilogía de el Legado, que tiene como protagonistas a este valiente joven y a su indomable dragona Saphira. en el reino legendario de Alagaësia la guerra se está gestando. los Jinetes protectores de la paz del Imperio y lo