Ianna is a large warm E-class planet in the Talis-165 binary system within the M13 star cluster.
It was the first planet to have been settled on in the M13 cluster. One large continent takes up most of the northern hemisphere and is home to a species of intelligent but primitive giraffe like creatures called the Ivok. Ecosystems range from tropical rainforests to seasonal grassland, deserts and frozen tundra. While several human colonies have been established on the supercontinent, most take advantage of the many islands that lay offshore so as not to interfere with the natives. A small island continent far to the east is the location of the largest human colony. The island continent is home to several thousand humans and famed for its many swamps and bog as well as its rocky coastline and stony beaches.