I hesitated to post these here because I’m not sure they are especially groundbreaking or “Showcase”-worthy. I finally decided to share my work with the Typst community, in case it might be helpful to someone who is trying to create similar-style documents – particularly if s/he is working with a tight deadline.
(I’m neither a graphic designer nor a trained typographer, so I may have committed a variety of cardinal sins here. 
) Based on my reading, the main (typographical) goal of this sort of document is to be crisp, clear and conservative.
I added explanatory notes in the Comments for each project. Please feel free to correct and/or improve these documents.
“Celebration of Life” booklet (read-only link)
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Memorial Booklet for Class Reunion (read-only link)
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Another challenge with this project was that I had never tried creating a folded, saddle-stitched booklet. I didn’t understand the principle of page imposition until I actually made a physical mockup of the booklet(s).
Fortunately, there are two useful tools to help you with imposition:
and designer Ingo Schaefer’s tool:
Seitenreihenfolge-Rechner (‘Page Order Calculator’)
- Choose the Rückensteckheftung (‘Spine stitching’) option,
- Fill in the Seitenanzahl (‘Number of pages’) box
- and press Enter.
The calculator will output the (correct) order of pages. The calculated page order refers to duplex printing.