Book published 1980's - between 1980 & 1988 only, paperback fiction. It's about research in the Arctic, scientist needed more food, running out, has a lot of peanut butter, but running out. Not the one about finding out what was eating caribou population, which was made into a movie, where protagonist eats mice to survive; similar but no. Please help! Thank you!!!
Madeleine L’Engle’s “Troubling a Star”? It’s been a long time, but I feel like the arctic-danger part was oversold by the cover.