Yeah Python is great for beginners I think. List of introductory books: https://wiki.python.org/moin/IntroductoryBooks

Some written specifically for children. Don't know much about them, but they're worth looking into.

https://www.packtpub.com/application-development/python-proj...

https://www.nostarch.com/pythonforkids

https://www.manning.com/books/hello-world

https://www.nostarch.com/teachkids