Soy bueno para las matemáticas

Sergio deberá conocer el verdadero terror para resolver el misterio de unos horribles asesinatos, comprender su destino, y, a la vez, salvar su propia vida. Visita nuestro blog "http://www.elladooscurooceanotravesia.blogspot.com

Carlos goes into the cloud forest to look for animals, but he manages to miss seeing them even though they have an adventure with his umbrella.

Did you know that the first wheel was not invented for transportation or that the system used to create computers was based on the functionality of a sewing machine? In a fun way, this book teaches the history behind inventions that have changed the way we live, from Ancient Mesopotamia to the present. Important details appear at the bottom of each page, including the name of the inventor, the time period, and the place where it occurred.

As a successful former slave, Clara Brown used her money to help other freed slaves get a new start in life. In 1859 Clara bought her own freedom and headed west to Colorado to find her daughter, who was sold when she was just a little girl. Clara didn't find her daughter there, but she did get rich. The people she helped became her family, and she became known as "Aunt" Clara Brown.