Elizabeth G. Slade is the author of Momentum: Montessori, a Life in Motion, a historical fiction novel about Maria Montessori. She is also the author of Rest Stops, a coming-of-age novel that won the Next Generation Indie Book Award in 2012. In 2021, she published the nonfiction book, Montessori in Action: Building Resilient Schools with John Wiley & Sons. Elizabeth has also worked with others to create books such as Montessori Inclusion, Women Period. and How to Raise a Peaceful Child in a Violent World. In 2025, Finding Ground, a book she co-authored with Allison Jones about teaching Montessori education at the elementary level, was published by Parent Child Press.

In addition to writing, Elizabeth serves as the Executive Director of Public Montessori in Action International, an organization committed to ensuring fully-implemented Montessori education for children, families, and educators of the global majority. Elizabeth earned her AMI Elementary Diploma from the Washington Montessori Institute, her AMS Administrative Credential at the Center for Contemporary Montessori Studies, her B.A. from Wheaton College, and her Master of Fine Arts in writing from Spalding University.