What happened in this one? We met a couple of new species, which made the army of scientists along for the ride have fits, because the new species didn't act they way they hoped/expected/believed new species would act. One species is herbivorous, looks like teddy bears and is relentless in its pursuit of genocide of anyone other than itself. The other looks like a cross between wolves and spiders, has awesome engineering aesthetics, and lusts after duct tape.
No, it really is. Campbell is Reliable. I hope I'm still reading him in twenty years.