La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Lazarus, a nondescript bank employee and family man, died in the hospital where he is admitted to emergency. A few hours later he is resurrected. His sisters, Martha and Mary, are by his side. Nobody is able to assimilate, in the 21st century, this authentic resurrection, bringing unimaginable consequences for those around him. All are immersed in a disconcerting reality to which they will have no choice but to face. Everyone will make their own way, with denial, with lying or using the incident to their own advantage.

Ana vence sus miedos y sus complejos y declara su amor a Javier, su nuevo profesor de Historia del Arte. Este tiene cosas más interesantes que hacer... Por ejemplo, meterse en un buen lío de tráfico de piezas de arte.

In 1833, American and Tejano colonists wanted independence from the Mexican government. Through a bloody Texas Revolution, the independent Republic of Texas was born! Readers will be enthralled as they make their way through this exciting and compelling book that has been translated into Spanish. This book uses vivid images, intriguing facts and sidebars in conjunction with easy-to-read text and an accessible glossary and index to enlighten readers about such things as the Law of April 6, 1830, the Battle of Gonzalez, the Siege of Bexar, "The Consultation", and The Alamo. Along with these...

Un día un conejo hambriento salió a buscar algo que comer. Todo estaba cubierto de nieve, y no encontraba nada. Finalmente vio una manzana roja que colgaba de un árbol. Pero no podía alcanzarla. Y fue a buscar ayuda... Un precioso álbum sobre la cooperació