While this is fine for text-only books or those with spot illustrations, it doesn’t work for a picture book. As seen in the above screenshots from the Winnie-the-Pooh iBook, when the text is enlarged (on the right), the tree illustration is pushed onto the next page, leaving a blank white area. This gives book designers the heebie-jeebies, along with the lack of fonts. In addition, the artwork cannot cover the 2-page spread in the reflowable format, due to the white borders along the edges and in the gutter.
Picture books typically have the text on top of the artwork, which is impossible to achieve with a normal ePub, Kindle, or similar format. Fortunately the iBook, NOOK, and now the Kindle Fire formats allow a fixed layout, which means the art and words keep the same relative size and location on the page. Yay!
The way you navigate around this type of iBook is different. This video shows how the screen controls work in my fixed layout iBook, Tracks in the Sand:
Let me know if you have any questions! If anyone is familiar with how the NOOK and Fire tablets work with fixed layout vs. reflowable, please chime in.
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