Two-headed chicken. Chaos in the Cosmic Library

"Our zany hero, Two-Headed Chicken, has traveled the multiverse using the AstroCap and romped through the chronoverse using the TimeCap. Now they dare to ask: What happens if they use both caps at the same time? Answer: Chaos! Unfortunately, the chaos is so ridiculous that the reader slams their book closed, trapping the double-noggined main character in eternal darkness. But wait! Two-Headed Chicken escapes into the Cosmic Library, which contain...