diff --git a/exercises/book-store/canonical-data.json b/exercises/book-store/canonical-data.json
index c6ab9c0698..60b4b6f561 100644
--- a/exercises/book-store/canonical-data.json
+++ b/exercises/book-store/canonical-data.json
@@ -1,106 +1,87 @@
 {
-   "book-store": {
-      "description": [
-                       "Calculate lowest price for shopping basket only ",
-                       "containing books from a single series.  There is no ",
-                       "discount advantage for having more than one copy of ",
-                       "any single book in a grouping."
-                     ],
-      "cases": [
+  "book-store": {
+    "description": [
+      "Calculate lowest price for a shopping basket containing ",
+      "books only from a single series.  There is no ",
+      "discount advantage for having more than one copy of ",
+      "any single book in a grouping."
+    ],
+    "total": {
+       "description": "returns the total basket price after applying best discount",
+       "cases": [
          {
-            "description": "A basket containing only a single book.",
-            "basket": [1],
-            "targetgrouping": [[1]],
-            "expected": 8.0
+           "description": "Only a single book",
+           "basket": [1],
+           "targetgrouping": [[1]],
+           "expected": 8.00
          },
          {
-            "description":  "A basket containing only two of the same book.",
-            "basket": [2, 2],
-            "targetgrouping": [[2], [2]],
-            "expected": 16.0
+           "description": "Two of the same book",
+           "basket": [2,2],
+           "targetgrouping": [[2],[2]],
+           "expected": 16.00
          },
          {
-            "description": "No charge to carry around an empty basket.",
-            "basket": [],
-            "targetgrouping": [],
-            "expected": 0.0
+           "description": "Empty basket",
+           "basket": [],
+           "targetgrouping": [],
+           "expected": 0.00
          },
          {
-            "description": "A basket containing only two different books.",
-            "basket": [1, 2],
-            "targetgrouping": [[1, 2]],
-            "expected": 15.2
+           "description": "Two different books",
+           "basket": [1,2],
+           "targetgrouping": [[1,2]],
+           "expected": 15.20
          },
          {
-            "description": "A basket of three different books.",
-            "basket": [1, 2, 3],
-            "targetgrouping": [[1, 2, 3]],
-            "expected": 21.60
+           "description": "Three different books",
+           "basket": [1,2,3],
+           "targetgrouping": [[1,2,3]],
+           "expected": 21.60
          },
          {
-            "description": "A basket of four different books.",
-            "basket": [1, 2, 3, 4],
-            "targetgrouping": [[1, 2, 3, 4]],
-            "expected": 25.60
+           "description": "Four different books",
+           "basket": [1,2,3,4],
+           "targetgrouping": [[1,2,3,4]],
+           "expected": 25.60
          },
          {
-            "description": "A basket of five different books.",
-            "basket": [1, 2, 3, 4, 5],
-            "targetgrouping": [[1, 2, 3, 4, 5]],
-            "expected": 30.00
+           "description": "Five different books",
+           "basket": [1,2,3,4,5],
+           "targetgrouping": [[1,2,3,4,5]],
+           "expected": 30.00
          },
          {
-            "description": [
-                            "A basket containing eight books consisting of a ",
-                            "pair each of the first three books plus one copy ",
-                            "each of the last two books.  Please pay careful ",
-                            "attention to this particular target grouping, it ",
-                            "is not intuitive, but does grant the largest ",
-                            "discount."
-                           ],
-            "basket": [1, 1, 2, 2, 3, 3, 4, 5],
-            "targetgrouping": [[1, 2, 3, 4], [1, 2, 3, 5]],
-            "expected": 51.20
+           "description": "Two each of first 3 books and 1 copy each of rest",
+           "basket": [1,1,2,2,3,3,4,5],
+           "targetgrouping": [[1,2,3,4],[1,2,3,5]],
+           "expected": 51.20
          },
          {
-            "description": [
-                            "A basket containing nine books consisting of a ",
-                            "pair each of the first four books plus one of ",
-                            "the last book."
-                           ],
-            "basket": [1, 1, 2, 2, 3, 3, 4, 4, 5],
-            "targetgrouping": [[1, 2, 3, 4, 5], [1, 2, 3, 4]],
-            "expected": 55.60
+           "description": "Two each of first 4 books and 1 copy each of rest",
+           "basket": [1,1,2,2,3,3,4,4,5],
+           "targetgrouping": [[1,2,3,4,5],[1,2,3,4]],
+           "expected": 55.60
          },
          {
-            "description": [
-                            "A basket containing ten books consisting of two ",
-                            "copies of each book in the series."
-                           ],
-            "basket":  [1, 1, 2, 2, 3, 3, 4, 4, 5, 5],
-            "targetgrouping": [[1, 2, 3, 4, 5], [1, 2, 3, 4, 5]],
-            "expected": 60.00
+           "description": "Two copies of each book",
+           "basket": [1,1,2,2,3,3,4,4,5,5],
+           "targetgrouping": [[1,2,3,4,5],[1,2,3,4,5]],
+           "expected": 60.00
          },
          {
-            "description": [
-                            "A basket containing eleven books consisting ",
-                            "of three copies of the first book plus two each ",
-                            "of the remaining four books in the series."
-                           ],
-            "basket": [1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 1],
-            "targetgrouping": [[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1]],
-            "expected": 68.00
+           "description": "Three copies of first book and 2 each of remaining",
+           "basket": [1,1,2,2,3,3,4,4,5,5,1],
+           "targetgrouping": [[1,2,3,4,5],[1,2,3,4,5],[1]],
+           "expected": 68.00
          },
          {
-            "description": [
-                            "A basket containing twelve books consisting of ",
-                            "three copies of the first two books, plus two ",
-                            "each of the remaining three books in the series."
-                           ],
-            "basket": [1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 1, 2],
-            "targetgrouping": [[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], [1, 2]],
-            "expected": 75.20
+           "description": "Three each of first 2 books and 2 each of remaining books",
+           "basket": [1,1,2,2,3,3,4,4,5,5,1,2],
+           "targetgrouping": [[1,2,3,4,5],[1,2,3,4,5],[1,2]],
+           "expected": 75.20
          }
-   ]
-}
+       ]
+       }
+  }
 }