lib/kosher/book.rb in kosher-0.2.17 vs lib/kosher/book.rb in kosher-0.2.18

@@ -1,9 +1,9 @@
 module Kosher
   class Book < Struct.new(:venue, :isbn, :asin, :sales_rank, :offers_total, :offers, :created_at)
     def best_kosher_offer
       offer = offers.sort.first
 
-      offer.kosher? ? offer : nil
+      (offer && offer.kosher?) ? offer : nil
     end
   end
 end