Megan E. When thrift-store aficionado Julie discovers a series of antique paintings with hidden glowing images that are only visible in the dark, she wants to learn more about the artist. In her search, she uncovers a century-old romance and the haunting true story of the Radium Girls, young women who used radioactive paint to make the world’s first glow- in-the-dark products-and ultimately became radioactive themselves. As Julie’s obsession with the paintings mounts, truths about the Radium Girls-and her own complicated relationships-are revealed. But will she uncover the truth about the luminous paintings before putting herself and everyone she loves at risk?