It works!

build.rb

@@ -2,15 +2,33 @@
 
 require 'phlex'
 require 'phlexite'
+require 'kramdown'
 
 require_relative 'views/base_layout'
 require_relative 'views/nav_links'
 require_relative 'views/section_link'
 require_relative 'views/page_layout'
 require_relative 'views/pages/index'
+require_relative 'views/pages/markdown_page'
+
+def pages = [
+  ['concepts', 'Concepts of Biocircuits'],
+  ['simplest-circuit', "The Simplest Circuit"],
+  ['repressors', 'Repressors & Leaks'],
+  ['activators', 'Activators'],
+  ['hill-functions', 'Ultrasensitivity & the Hill Function'],
+  ['activators-vs-repressors', 'Choosing Between Activators & Repressors'],
+]
 
 Phlexite::Site.new do |s|
   s.mount 'assets', on: '/assets'
 
   s.page 'index.html', BC::Views::Pages::Index.new
+
+  pages.each_index { |idx|
+    page = pages[idx]
+    prev = idx <= 0 ? nil : "/#{pages[idx - 1][0]}.html"
+    fwd = idx >= pages.length - 1 ? nil : "/#{pages[idx + 1][0]}.html"
+    s.page "#{page[0]}.html", BC::Views::Pages::MarkdownPage.new(File.read("./views/pages/#{page[0]}.md"), page[1], prev, fwd)
+  }
 end