Look Up Words: Use thebuilt-in dictionary in the Kindle for PC app to look up the definition of words without interrupting your reading.
Search in Books: Search inside anybook to find a topic, character, or section you want to revisit.
Organize Collections: Organize your books into various collections/lists with theKindle for PC app.
Look Up Book Facts: Access descriptions of characters, important places, popular quotes, and themes from Shelfari, thecommunity-powered encyclopedia for book-lovers.
Personalize: Switch to full-screen reading mode, choose your background color, and adjust the brightness of yourscreen from within the Kindle for PC app.
Read e-Textbooks: Choose from a large selection of e-textbooks to read with the Kindle for PC app and avoid thehassle of carrying around heavy textbooks.
Take Notes: Highlight, take notes, and add bookmarks in any book.
View Page Numbers: See page numbersthat correspond to a book's print edition page numbers to easily cite passages. This feature is available with thousands of books in the Kindle Store.