A brief review for a brief story. Double Star focuses on our main character, Smythe, an actor who is recruited to double for an important politician who has been kidnapped. The plot moves briskly along, and while there's a little of the expected Heinlein action early on, there's less than one might expect. Absent also are some of his usual tropes about sexism and sexuality (though we do have an almost entirely male cast of characters). Strangely, in a book centered around politics, there is also little to none of his usual diatribes against socialism, for capitalism, or for some pseudo-fascist libertarian regime. Instead, we see Smythe grow out of initial close-minded, racist and isolationist beliefs and into someone who embraces collectivism across cultures and species. There's also some interesting ranting about the 'artist' and how/why/when he creates/participates in his art that whole ostensibly speaking about acting, feels like it must have been to some degree self-referential for Heinlein regarding writing. Overall, great, short read.