Smythe, S., Hill, C., MacDonald, M., Dagenais, D., Sinclair, N., & Toohey, K. (2017). Disturbing boundaries in education and research. New York: Cambridge University Press.    

de Freitas, E., Sinclair, N. & Coles, A. (Eds.) (2017). What is a mathematical concept? Cambridge University Press.

De Freitas, E. and Sinclair, N. (2014). Mathematics and the body: Material entanglements in the classroom. (Foreword by Brian Rotman). Cambridge University Press.

Clark-Wilson, A., Robutti, O. & Sinclair, N. (Eds.) (2013). The mathematics teacher in the digital era: An international perspective on technology focused professional development. Dordrecht: Springer.

Zazkis, R., Sinclair, N., and Liljedahl, P. (2013). Lesson Play in Mathematics Education. Springer.

Sinclair, N., Pimm, D. and Skelin, M. (2012). Developing Essential Understanding of Geometry for Teaching Mathematics in Grades 5–8. Essential Understanding Series. Reston, VA: National Council of Teachers of Mathematics.

Sinclair, N., Pimm, D. and Skelin, M. (2012). Developing Essential Understanding of Geometry for Teaching Mathematics in Grades 9–12. Essential Understanding Series. Reston, VA: National Council of Teachers of Mathematics.

Sinclair, N., (2008). The history of the geometry curriculum in the United States. IAP – Information Age Publishing Inc. (212 pages).

Sinclair, N. (2006). Mathematics and Beauty: Aesthetics approaches to teaching children. Teachers College Press.

Sinclair, N., Pimm, D. & Higginson, W. (2006). Mathematics and the aesthetic: Modern approaches to an ancient affinity. New York: Springer-Verlag.