A middle-grade series following siblings Evan and Jessie as they navigate the complexities of family, friendship, and justice. Beginning with their summer lemonade war competition, the books explore increasingly sophisticated themes including false accusations, criminal justice, and honesty through accessible storytelling that weaves math and business concepts into emotionally resonant stories about sibling love.
Fourth-grader Evan and his younger sister Jessie, who is skipping into his grade, have a falling out and declare a lemonade war to see who can make the most money by the end of summer, learning lessons about business, fairness, and sibling love. A smart, funny novel that weaves math concepts into an emotional story.
When Evan's hard-earned lemonade money is stolen and a classmate is accused, Jessie organizes a classroom trial to determine guilt, raising questions about justice, fairness, and truth. A thoughtful sequel that explores legal and ethical concepts accessibly.
Evan and Jessie spend spring break in the mountains, where they become involved in a mystery involving a stolen bell and a local legend, working together to solve the crime. A continuation of the series' blend of adventure and sibling dynamics.