La optimización mecánica en el medio acuático

Written with sympathetic humor and compassion, this masterful portrait of upper-class decline made Ivan Goncharov famous throughout Russia on its publication in 1859. Ilya Ilyich Oblomov is a member of Russias dying aristocracya man so lazy that he has given up his job in the Civil Service, neglected his books, insulted his friends, and found himself in debt. Too apathetic to do anything about his problems, he lives in a grubby, crumbling apartment, waited on by Zakhar, his equally idle servant. Terrified by the activity necessary to participate in the real world, Oblomov manages to avoid...

¡Camisas, pantalones, calcetines y zapatos, hay tantos tipos de ropa! En ¿Cómo me visto? aprenderá sobre los tipos de ropa que la gente viste en ocasiones diferentes. (Shirts, pants, socks and shoes - there are so many kinds of clothes to wear! In ¿Cómo me visto?, you will learn about the different kinds of clothes people wear for different occasions.) Engaging art and simple sentences explain to young learners what to wear during the day. If it’s raining outside make sure to grab an umbrella along with your raincoat and boots. For swimming fun, a bathing suit and towel are needed....

What will it take to send people to Mars in the next 25 years? Students will learn that problem solving is an essential component of NASA’s planned mission to mars. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math, language arts, and STEM content. Students will learn problem solving while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make...

Books in this series give readers an exciting tour through the world of colors. Each book uses simple, repetitive text to teach basic vocabulary and includes stunning photographs that show each color in a variety of contexts. In Red, children can view red rocks, flowers, stems, fur, and more!