Hi, I'm new here and have two daughters.
You can start with American Girl's
I dont believe in "the talk" and have not done that with my kids.
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Add me to the group that believes it is an ongoing discussion with answers to questions being age appropriate.
What grade is your 9 year old in? In our school district the 4th grade girls are taught about puberty and the changes. there is a video and parents get to preview it about 6 weeks before the lesson is taught. 5th grade boys and girls have the same lesson plan but separately about a week later.