How I wonder what you are... let's explore beyond our star! Twinkle, Twinkle, Nighttime Sky, the second board book in the Skytime series, follows the successful release of Twinkle, Twinkle, Daytime Star. In this second title, young kids learn about the vast and remarkable sky beyond our solar system. With breathtaking illustrations and fascinating facts, this fresh take on the classic nursery rhyme shines light on the wondrous night sky.