Edited by Lydia Wylie-Kellermann, The Sandbox Revolution: Raising Kids for a Just World is a collection of essays about parenting with social justice at the forefront of our lives. I need to state upfront that trans readers will want a content warning for two of the essays: Jennifer Castro's essay included gender essentialist phrases like "the power of the feminine body and the sacredness of feminine knowing" when speaking out biological functions such as pregnancy. The essay attempts to be inclusive, but using more personal phrases (like "my feminine body") could have warded off the bio-essentialist feel. Michelle Martinez's essay refers to gendered bodies and uses the term womyn. I want to be clear that, reading these essays in full, I…