Derek Chirnside points to a gem of an application - Scribus.
Scribus brings award-winning professional page layout to Linux/Unix, MacOSX, OS/2 and Windows desktops with a combination of [base "]press-ready[per thou] output and new approaches to page layout.
Here[base ']s my quick screenrecording of myself finding my way through the application. At first glance its beautiful! Great application for creating fliers, fancy layout handouts, posters, and books.

Click To Play
An even better screenrecording
comes from Jason Scott.
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