The Grimm Diaries Prequels 11-14 is available on amazon.com and UK
here are the links:Amazon.comhttp://www.amazon.com/dp/B00C1MZN5C
Amazon UKhttp://www.amazon.co.uk/dp/B00C1MZN5C
The Bundle consists of actually 6 prequels not four. Here is the list
10.5 Happy Valentine's Slaynarrated by Willie Winkie11 Children of Hamlinnarrated by the Devil12 Tooth & Nail & Fairy Talenarrated by Jack Madly13 Ember in the Windnarrated by Little Match Girl14 Jar of Heartsnarrated by the Queen of Sorrow15 Welcome to Sorrownarrated by Igor the Magnificent
I hope you will like this bundle like the previous one, and the next will be Snow White Sorrow, soon:)