Description Celebrate diversity, math, and the power of storytelling! A math picture book series for preschoolers and kindergarteners with relatable stories about kids' everyday experiences. Luna and her cousin Mina are making sticky-rice dumplings for the Dragon Boat Festival. Hidden inside some of them is a lucky golden egg yolk. Everyone wants a lucky dumpling! Especially Bei-Bei, Luna's youngest cousin. How can Luna and Mina improve little Bei-Bei's chances of picking a lucky dumpling? A playful exploration of probability, featuring Chinese American characters and a cultural note about the Dragon Boat Festival. Storytelling Math celebrates children using math in their daily adventures as they play, build, and discover the world around them. Joyful stories and hands-on activities make it easy for kids and their grown-ups to explore everyday math together.