Go to the Aa menu in your book to get started. Read comfortably day and night with adjustable brightness and background colors.

Customize your text size, font type, margins, text alignment, and orientation (portrait or landscape)-and choose whether to turn pages from left to right or continuously scroll. Explore these reading features in the Kindle app: Turn your Mac into a book with the free Kindle app-so you can read anytime, anywhere.

Kindle books you have purchased on Amazon will automatically appear in your app.