Ruth Spiro is the author of over twenty-five Baby Loves Science board books (Charlesbridge), as well as the picture books One Small Spark, A Tikkun Olam Story (Dial), Love Grows (Harper), a new series How to Science Robotics to a Grownup (Charlesbridge), and more. Growing Together (Harper) is forthcoming in 2025. She lives in Chicago with her husband and two daughters.