• italian collection 21 • high definition blu ray presentation • 2.0 english dual mono • 2.0 italian dual mono with english subtitles • audio commentary with italian cinema experts troy howarth, nathaniel thompson and eugenio ercolani • when butterflies turned to glass interview with director aldo lado • glass doll theories a video essay by pier maria bocchi • lado’s trilogy of terror a video essay by mike foster • interview with expert stephen thrower • the need to sing interview with singer edda dell’orso • cutting glass dolls interview with editor mario morra • czech mate feature length retrospective documentary with aldo lado and jean sorel • einmal italien und zurück once to italy and back interview with co producer dieter geissler • english trailer • italian trailer • presented in a rigid slipcase featuring new artwork by graham humphreys, and containing perfect bound book, and double sided poster