"Will appeal to fans of other ­STEM-infused series like Emily ­Calandrelli’s 'Ada Lace' and Asia Citro’s 'Zoey and Sassafras.'"--School Library Journal The fourth installment of the Kate the Chemist fiction series that shows kids that everyone can be a scientist! Perfect for fans of the Girls Who Code series. When Kate's brother Liam is having a science-themed birthday party the very same day that the science club in Kate's school is planning a special rocket launch experiment, Kate isn't sure how she'll manage to do it all: be a great big sister AND a great science club member. But with a little help from chemistry--and her friends--Kate figures out a way to be in two places at once. That is, until she is late to pick up the ice cream cake, which means Liam won't have a birthday cake for his party! Will science be able to save the day? From Kate the Chemist, chemistry professor and science entertainer as seen on The Late Show with Stephen Colbert, The Wendy Williams Show, and The Today Show, comes a clever and fun middle grade series that is the perfect introduction to STEM for young readers! Make Your Own Rocket! Experiment Inside! Praise for Dragons vs. Unicorns: "Proves that science and fun go together like molecules in a polymer."--School Library Journal "It's a great introduction to the basics of Chemistry that is readily accessible to a variety of ages . . . . The way the everyday chemistry is blended in is done seamlessly, and has [me and my ten-year-old son] noticing how we are all doing a little bit of science every day." --GeekMom.com