The activities in the book are clearly explained and there are a variety for students to practice Kindle: download the file (pdf or epub are supported), then send it to Kindle using , app, or emailSupport authors: If you like this and can afford it, consider buying the original, or supporting the authors directlySupport libraries: If this is available at your local library, consider borrowing it for free there Portales puts students first by providing valuable opportunities for them to practice