Apple Aperture 2 - Manual (Page 569)

Chapter 21 Creating Books 569
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The Pages pane on the left shows thumbnails of your book pages. You can scroll
through the thumbnails and click one to select a page of your book to work on. A
larger view of the selected page appears on the right.
Books are based on a theme, or design, and master page layouts that present your
images in a standardized way. Click the Theme button to see the themes you can choose.
Selected book album
Select the page you want
to work on here.
Selected page
A larger view of the
selected page appears
here.
Select the theme
you want here.