The Interstellar Politics line of informational books attempts to teach writers about concepts to make their science fiction writing more believable while still retaining many used structures such as faster-than-light travel and "laser" weaponry. The tips presented here will focus on the concepts of interstellar trade and communication between colonies and other species craft or colonies. Aimed to be short and sweet but still informative, Interstellar Politics can help any writer make more believable sci fi!