from clevercoloringbook.com:
> Please only upload photos that are in line with OpenAI's Usage Policy.
> We are not able to include any photos that do not follow their policy in the final printed book.
from openai.com/policies > Editing uploaded images or videos that contain real people under the age of 18 is not permitted.
The first two sample pictures on the page contain of adolescent children. Are you concerned about this apparent contradiction?