tennantfamily (United Kingdom) (2009/03/16): In the pages of an ancient Runic manuscript, Professor Hardwigg finds a yellowed parchment bearing a coded message from the famous sixteenth-century alchemist Arne Saknussemm. When the Professor's nephew Harry deciphers its amazing contents, the two scientists secretly set out for Iceland and a forgotten volcanic crater. Their destination - the centre of the earth!
