{
  "updated": "2026-07-17",
  "last_checked_utc": "2026-07-19T00:00:00Z",
  "refresh_note": "last_checked_utc is updated at hourly granularity when prices are re-verified, distinct from 'updated' which only changes when a price actually moves.",
  "currency": "USD",
  "note": "Static reference prices mirroring the site's on-page price map. Google Play Books is authoritative for the live, localized price at checkout.",
  "prices": {
    "age-one": 70,
    "age-one-premium": 200,
    "bitcoin-standard": 110,
    "science-feeling-great": 18,
    "art-of-joy": 18,
    "youtube-algorithms": 15,
    "pet-friendly": 7
  }
}