{
  "comments": {
    "new": "Volume Label: BESTMATH\n\nPC/Mac Hybrid\n\nIFPI L027 disc & MPSI099... mastering code disc: No MCN\n\nSelectSoft Publishing release (MPSI099... mastering code) has no serial on disc, P/N: LSBUSBEMAJ\n\nWindows 3.1, 95/98, 2000, XP\n\nMacintosh System 7.1-9.2",
    "old": "PC/Mac Hybrid\n\nIFPI L027 disc & MPSI099... mastering code disc: No MCN\n\nSelectSoft Publishing release (MPSI099... mastering code) has no serial on disc, P/N: LSBUSBEMAJ\n\nWindows 3.1, 95/98, 2000, XP\n\nMacintosh System 7.1-9.2\n\n-\n\n<b>Scans</b>:\n\n<a href=\"https://archive.org/0/items/richard-scarrys-busytown-best-math-program-ever/disc.jpg\" target=\"_blank\"><img src=\"https://archive.org/0/items/richard-scarrys-busytown-best-math-program-ever/disc_thumb.jpg\" width=\"100\" height=\"100\"></a><a href=\"https://archive.org/0/items/richard-scarrys-busytown-best-math-program-ever/disc_matrix.jpg\" target=\"_blank\"><img src=\"https://archive.org/0/items/richard-scarrys-busytown-best-math-program-ever/disc_matrix_thumb.jpg\" width=\"100\" height=\"100\"></a>"
  },
  "ring_codes": {
    "new": "0-671-57643-7\t+ +\tA6815-01 IFPI L027 IFPI 1029\n2880-2-1\tALLIED DT\t*57643-7* IFPI L452 IFPI 7706, ifpi 7716\nMPSI099 01242002-OR TW/CA #13114",
    "old": "0-671-57643-7\t+ +\tA6815-01 IFPI L027 IFPI 1029\n2880-2-1\tALLIED DT\t*57643-7* IFPI L452 IFPI 7706\nMPSI099 01242002-OR TW/CA #13114"
  },
  "serial": {
    "new": "0-671-57643-7, 067157643-7",
    "old": "0-671-57643-7"
  }
}