archive.org/details/pubertyed1991 (Note: You may need to adjust the exact slug, but the Archive is your primary source). Disclaimer: This article is for educational and archival research purposes. Always review any historical sex education material before showing it to a minor, as social norms and medical accuracy have evolved since 1991.
Modern sex education is fragmented by algorithms. A 1991 booklet is a linear, calm, 32-page journey from "What is a hormone?" to "How to use a pad/tampon." It does not have pop-up ads. It does not have a comment section. It assumes an attention span. puberty sexual education for boys and girls 1991 download
The search for is a search for simplicity. You can find that simplicity at the Internet Archive. Just remember: The biology is evergreen. The sociology is not. archive