无法将类型'System.Collections.Generic.List'隐式转换为'System.Collections.Generic.List

Cannot implicitly convert type 'System.Collections.Generic.List' to 'System.Collections.Generic.List

Error 2 Cannot implicitly convert type 'System.Collections.Generic.List<AnonymousType#1>' to 'System.Collections.Generic.List<Product>' D:\Fortune\App_Code\BL\StoreController.cs 204 45 D:\Fortune\

public static List<Product> GetProductsByCategoryID(int productCategoryId )
{
    FortuneDataContext db = SiteController.GetNewFortuneDataContext();
    List<Product>  prods = (from p in db.Products
                        join pc in db.ProductCategories 
                        on p.ProductCategoryId equals pc.ProductCategoryId 
                        where pc.ParentProductCategoryId == productCategoryId
                        select new
                        {
                           p.ProductId,
                           p.ProductCategoryId,
                           pc.ParentProductCategoryId,               
                           ProductName = p.Name,
                           Category = pc.Name,
                           p.Price,
                           p.ProductYear
                           }).ToList();  
    return prods;

}
Cannot implicitly convert type 'System.Collecti