Acting Heljar Berge Acting Little Grey Fergie and His New Friend Clunky Hubert Hoggerud 2011 Gråtass - The chase for the Miracle Water Hubert Hoggerud 2007 Little Grey Fergie: The Secret of the Farm Hubert Hoggerud 2004 Gråtass - Forviklinger på gården Hubert 2002 Agent-readable