{
 "id": 229019,
 "name": "Modeling and Control of Discrete-Event Dynamic Systems: With Petri Nets and Other Tools",
 "brand": null,
 "gtin": null,
 "category": "books",
 "size": {
  "value": 1.0,
  "unit": "book"
 },
 "size_as_extracted": null,
 "unit_price_unit": "book",
 "specs": {
  "format": "paperback",
  "pages": 342,
  "language": "English",
  "genre": "Computing & Internet; Automation; Engineering",
  "audience": "adult",
  "fiction_status": "nonfiction",
  "edition_type": "textbook"
 },
 "standard_attributes": {
  "Book cover type": "Paperback",
  "Target audience": "Adults"
 },
 "shopify_category_id": "gid://shopify/TaxonomyCategory/me-1-3",
 "meets_minimum_spec": true,
 "tier": "premium",
 "premium_note": "Specialized college-level control systems textbook offers advanced technical instruction.",
 "best": {
  "unit_price": 79.63,
  "price": 79.63,
  "retailer": "walmart",
  "url": "https://www.walmart.com/ip/Advanced-Textbooks-Control-Signal-Processing-Modeling-Control-Discrete-Event-Dynamic-Systems-Petri-Nets-Tools-Paperback-9781846288722/461135410"
 },
 "lowest_price": {
  "price": 79.63,
  "retailer": "walmart",
  "url": "https://www.walmart.com/ip/Advanced-Textbooks-Control-Signal-Processing-Modeling-Control-Discrete-Event-Dynamic-Systems-Petri-Nets-Tools-Paperback-9781846288722/461135410"
 },
 "size_missing": false,
 "unranked_reason": null,
 "offers": [
  {
   "retailer": "walmart",
   "retailer_id": "461135410",
   "gtin": null,
   "price": 79.63,
   "currency": "USD",
   "price_usd": 79.63,
   "unit_price": 79.63,
   "availability": "IN_STOCK",
   "in_stock": true,
   "seller": "Alibris",
   "first_party": false,
   "shipping": {
    "text": "Free shipping arrives by Fri, Oct 16 - Mon, Oct 19",
    "price": null
   },
   "size_text": null,
   "url": "https://www.walmart.com/ip/Advanced-Textbooks-Control-Signal-Processing-Modeling-Control-Discrete-Event-Dynamic-Systems-Petri-Nets-Tools-Paperback-9781846288722/461135410",
   "observed_at": "2026-10-10T05:02:17-04:00",
   "age_minutes_at_build": 17721
  }
 ],
 "url": "/items/229019.json",
 "html": "/items/229019.html",
 "history": [
  {
   "retailer": "walmart",
   "price": 79.63,
   "unit_price": 79.63,
   "observed_at": "2026-10-10T05:02:17-04:00"
  }
 ]
}