Lágrimas de sangre

Farmers use tractors to plow their fields. Tractors are also used on construction sites. The biggest tractors are as wide as a road. Learn more about these machines in Tractors, an AV2 media enhanced book

Explains the study and teaching of the martial arts, emphasizing the philosophical aspects of this sport.

Sitting Bull first went to battle at the age of 14. He grew to be widely respected for his bravery and insight, and became chief of the Lakota nation in his thirties. By the time he met General Custer at the Battle of Little Big Horn, his courage was legendary. Though he soundly defeated Custer, public outrage at the defeat brought thousands of cavalrymen to the area, where it took four more years before the brave chief would surrender. He was forced onto a reservation where he was later killed when police attempted to arrest him.

Andrés creía que reconocía los números, de hecho creía que lo controlaba todo... hasta que, después de entrar en contacto con una extraña secta, para salvar el pellejo tiene que ampliar su conocimiento sobre los números y distinguir entre lo accesorio (símbolos y palabras) y lo esencial... Nigromantes y castañas serán el puente entre dos culturas aritméticas. Este libro se completa con una guía didáctica y una propuesta de actividades.