Why purchase an enhanced VB eBook? It includes a full suite of study tools on any device—both online and offline: •Immediate access – get the information you need now, not in days or weeks •Read anytime, anywhere – study on the go with 100% offline access to your downloaded title •Margin notes – make annotations as you are reading •Read aloud – listen and follow along as your book is read to you •Workbook – improve your focus as you edit notes, add bookmarks, and review key concepts in one place •Global search – search across book content, figures, and your workbook