Answer:
The information presented in the book is credible.
Step-by-step explanation:
"George's Secret Key to the Universe" is a children's book and features a group of children traveling through space and learning scientific concepts through portals and windows created by a highly technological and efficient computer. Although this plot is very fanciful and unrealistic, the book presents very credible scientific information, explaining in a childish but efficient way concepts like atoms, black holes, celestial bodies, planets, among others.