When at last Mars flickers, and the owl begins to hoot, Sofia and her family venture into a dazzling summer night filled with firefly light. Sofia and her siblings can hardly wait for nightfall - Sofia hopes to fill a jar with fireflies! When at last Mars flickers, and the owl begins to hoot, Sofia and her family venture into a dazzling summer night where firefly light is like a glittering galaxy. Lyrical text and gorgeous collage artwork are supplemented by informative endmatter on finding fireflies and protecting their habitats.