It's the beginning of summer and Uncle Mike and Aunt Melanie invite Mackenzie for an extended summer vacation in their hometown of Houston, TX. On the first day, Mackenzie finds her cousins, Cristen and Chloe helping their parents prepare a special meal. Come and learn about the holiday and celebration of 'Juneteenth' with this first book in The Adventures of Mackenzie and Cristen, a cultural journey of joy, family and fun!