Evan and his younger sister, Jesse, react very differently to the news that they will be in the same class for fourth grade and as the end of summer approaches, they battle it out through lemonade stands, each trying to be the first to earn 100 dollars. Includes mathematical calculations and tips for running a successful lemonade stand.

Siblings Evan and Jessie must solve the mystery of a missing cherished family treasure while coming to terms with their beloved grandmother's unsettling behavior.

Evan Treski es un estudiante de cuarto grado que sabe tratar con la gente. Puede hablar muy bien con todos, incluso con los adultos. Por otro lado, Jessie, su hermana menor que también está en cuarto grado, es muy inteligente con las matemáticas pero le cuesta entender a las personas. Ella sabe que no demuestra sentimientos. Entonces, cuando comienza la guerra de limonada, no se sabe quién ganará, y mucho menos

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"Evan and Jessie Treski have waged a lemonade war, sought justice in a class trial, unmasked a bell thief, and created a professional magic show. Yet for all their skills and talents, both find themselves being singled out this summer for reasons beyond their control. Natural-born leader Evan, who is always good at making new friends, discovers he is at the mercy of a bully on the summer school playground, and is pressured to act in a way he never...