Allies are a vital part of social justice work that can shape history. However, young readers may not fully understand what an ally is, or that they have the potential to become one. This engaging title is here to help. It features an overview of inspiring allies who have achieved important milestones for social justice movements, from ending slavery to legalizing gay marriage in all 50 states. It also offers specific ways readers can stand with marginalized individuals and groups to change the status quo of oppressing systems to celebrate diversity and create a more just world.