Lulu Reyes starts selling the cookies and lemonade. When her mother Maria receives a consent form in the mail for Lulu to attend a field trip headed to Africa, she has to break the news to her. An on the other hand Lulu has other plans to spend the enter summer vacation with her friends, and she is actually unsure how to break the news to them.
While on the field trip Lulu shares her knowledge on what she has researched, and use it as a tool she accumulated from her African friend to save the lives of everyone around her. As you read Lulu's Adventure just know she is not going to stop there.