Horrors From Yuggoth

From the back of the book:

History tells us that General Umberto Nobile and Roald Amundsen overflew the North Pole in 1926, making the first trans-polar flight from Europe to America. In 1928, Nobile went back in the Italia, which crashed on the ice north of Svalbard, Norway. An international rescue mission was launched to find him and his aeronauts. Your characters are part of this mission -- and the State Department wants you to rescue the survivors before the Russian expedition gets them! But soon this humanitarian mission becomes embroiled in international tensions, mysterious disappearances, and the cold arcano-science of Yuggoth...