If you are searching for a digital version (indicated by your "zip" or "CD" keywords), several legal archives host copies of this and similar sex education materials for borrowing or research:
You can find the full version of S.E.X. and other comprehensive guides like Crooks & Baur’s Our Sexuality for digital loan. SEX (Book CD) zip
Comprehensive details on sexual health and physical development. If you are searching for a digital version
Practical advice on healthy relationships, communication, and safer sex practices. 2. Formats and Digital Archives SEX (Book CD) zip
This is a highly regarded inclusive sexuality guide originally based on the popular website . It covers: