Updated: Sep 18, 2020
Who Are You: The Kids Guide to Gender Identity Brook Pessin-Whedbee (while the book itself is geared more for new readers it does include a teachers guide in the back that includes how to use the book with high schoolers)
*A Quick & Easy Guide to Queer & Trans Identities Mady G. and J.R. Zuckerberg
*A Quick & Easy Guide to They/Them Pronouns Archie Bongiovanni
*(These two books are short, colorful comics and can be adapted for pretty much any age range over 4)
http://www.pnas.org/content/112/45/13805.full van Anders, S. M., Steiger, J., & Goldey, K. L. (2015). Effects of Gendered Behavior on Testosterone in Women and Men. PNAS, 112, 45.
http://www.sciencedirect.com/science/article/pii/S0193397399000155 Morrongiello A. B., & Dawber T. (1999). Parental Influences on Toddlers' Injury-Risk Behaviors: Are Sons and Daughters Socialized Differently? Journal of Applied Developmental Psychology, 20(2), 227-251.
Fine, C. (2010). Delusions of Gender: How Our Minds, Society, and Neurosexism Create Difference.W. W. Norton & Company.
Jordan-Young, R. M. (2010). Brain Storm: The Flaws in the Science of Sex Differences. Harvard University Press