Book management 2013/UX document

Structure form

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Live mockup showing the draggable sections (source)

Mockup of the structure and metadata form, with draggable sections. Actions are stored within a dropdown menu. No support for nested sections.
Mockup that includes section headings
Mockup of edit form for a very long book. The zig-zag is not a part of the form; it's just to avoid actually adding 100 boxes in the mockup.
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Live mockup (source)

 
Complete navigation bar
 
Simple navigation bar

Page editing interface

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Mockup of the editing interface with the option to choose a section from the left
Mockup of the editing interface with the option to choose a section from a dropdown above