Arnold Schwarzenegger

Se desarrolla, paso a paso, el calculo de 26 problemas de navegacion astronomica, ortodromica y cinematica naval para el interesado en situarse durante la navegacion oceanica mediante las referencias que ofrecen para ello los astros del firmamento. Sin duda la "navegacion a la antigua" debe ofrecer al interesado diversion y entretenimiento y no ser una tecnica cotidiana de navegacion, pues para ello se ejecuta en la actualidad una sofisticada navegacion instrumental.Se corresponde el contenido del libro con el temario actual de las asignaturas de calculo y navegacion para aquellos marinos que ...

Este libro ilustrado para niñitos muestra como duermen los papás de los leones, los caballos, los murciélagos, los flamencos, las tortugas, los erizos, y los seres humanos.

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.

A 2014 report by the US Department of Education found that 22 percent of students ages twelve to eighteen had experienced bullying. This cogent narrative provides readers with supportive methods to help a friend who is being bullied and to promote a bully-free learning environment at school. Physical, social, psychological, and verbal bullying are examined, as well as cyberbulling. Readers discover the consequences of bullying both as a target and as a bystander. They also consider ways to intervene in a bullying situation, how to seek adult help, and how to be empowered and recover from...