The Workbook provides additional grammar, vocabulary and pronunciation practice and extends reading, listening and writing skills.

Not all students are the same. Choose the learning pathway that best suits your class. Choices gives teachers the flexibility to adjust the course to their teenage students' individual needs

This title includes 12 thematic modules for pre-intermediate and 10 thematic modules for elementary and upper intermediate, each divided into sections such as grammar skills, writing workshops, speaking workshops and more.

This video along with the text teaches basic sign language in an uncomplicated format.

MyGrammarLab is a unique blend of book, online and mobile resources that ensures you have all the information and practice you need to master English grammar.

The Book of R is a comprehensive, beginner-friendly guide to R, the world’s most popular programming language for statistical analysis. Even if you have no programming experience and little more than a grounding in the basics of mathematics, you’ll find everything you need to begin using R effectively for statistical analysis. You’ll start with the basics, like how to handle data and write simple programs, before moving on to more advanced topics, like producing statistical summaries of your data and performing statistical tests and modeling. You’ll even learn how to create impressive data visualizations with R’s basic graphics tools and contributed packages, like ggplot2 and ggvis, as well as interactive 3D visualizations using the rgl package. Dozens of hands-on exercises (with downloadable solutions) take you from theory to practice, as you learn: –The fundamentals of programming in R, including how to write data frames, create functions, and use variables, statements, and loops –Statistical concepts like exploratory data analysis, probabilities, hypothesis tests, and regression modeling, and how to execute them in R –How to access R’s thousands of functions, libraries, and data sets –How to draw valid and useful conclusions from your data –How to create publication-quality graphics of your results Combining detailed explanations with real-world examples and exercises, this book will provide you with a solid understanding of both statistics and the depth of R’s functionality. Make The Book of R your doorway into the growing world of data analysis.