Overall Score: 9.2 / 10 — Warm Editorial + Claude Parchment system applied with strict 3-group screen budget and zero-fluff microcopy.
Strict adherence to DESIGN.md six-token parchment palette (#FAF7F2 canvas, #C0512F terracotta accent, warm near-black #141413).
Serif display titles paired with tabular-numeral mono badges for Lexile levels (120L–890L), pricing, and reading streaks.
Single primary CTA per view; 3 structural layout variants (?variant=A|B|C) switchable live from the bottom bar.
Full-stack Cloudflare Worker + D1 persistence across Bookroo club curation, Sovi Living Textbook physics/biology sliders, AI Character Buddy chat, and reading logs.
Bridges physical monthly book clubs with Sovi's interactive STEM simulations and Socratic character companions.