Hello! I don't know what's wrong 
I also tried: adding +, checked every comma and spelling but I always recieved ERROR MESSAGE: Did you display the product's likes?
<div ng-repeat="products in products" class="col-md-6">
<div class="thumbnail">
<img ng-src ="{{ products.cover }}">
<p class="title">{{ products.name }}</p>
<p class="price">{{ products.price | currency}} </p>
<p class="date">{{products.pubdate | date}}</p>
<div class="rating">
<p class="likes">{{ products.likes }}</p>
</div>
</div>
</div>MAIN CONTROLLER
app.controller('MainController', ['$scope', function($scope) {
$scope.title = 'Top Book Choices';
$scope.promo = 'Top Background Song';
$scope.products = [
{
name: 'The Book of Trees',
price: 19,
pubdate: new Date('2014', '03', '08'),
cover: 'img/the-book-of-trees.jpg',
likes: 0
},
{
name: 'Program or be Programmed' ,
price: 8,
pubdate: new Date('2013', '08', '01'),
cover: 'img/program-or-be-programmed.jpg',
likes: 0
},
{
name: 'Fifty Shades of Grey',
price: 21,
pubdate: new Date('2011', '04', '25'),
cover: 'https://upload.wikimedia.org/wikipedia/en/5/5e/50ShadesofGreyCoverArt.jpg',
likes: 0
},
{
name: 'Harry Potter and the Prisoner of Azkaban',
price: 57,
pubdate: new Date('1999', '08', '08'),
cover: 'https://upload.wikimedia.org/wikipedia/en/b/b4/Harry_Potter_and_the_Prisoner_of_Azkaban_(US_cover).jpg',
likes: 0
}
]
}]);Thank you so much 
