Looking at page 83 in the PDF version of the book here:
I see a boat that looks a lot like yours! Enjoy it!
Nothing "shameful" for adding a skeg for flat water use - that's exactly what modern designs have (usually retractable for when you don't want it, on white water or to trim against wind).
Hardshell Kayak Sail Rigs
Heel and Pegpads™
EZ-Dock modular docks
PFD's (Life Jackets)
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