In Zero Zero. Love All., the fourth book in the Adventures of Diana series, Diana shares her lively experiences as she navigates a new school year at the prestigious Eastridge School while exploring her passion for tennis and embracing her adventurous spirit. The book opens with Diana participating in an engaging "Mall Hunt & Ice Cream" event, her first introduction to classmates at Eastridge. Diana balances academic responsibilities with a budding love for tennis, highlighted by her dedication to training and tournaments. Her journey explores themes of determination, personal growth, and forming meaningful connections. Diana also embarks on memorable trips, such as an immersive overnight stay at the Ocean Institute, where she participates in exciting activities like fish dissections and boat rides, and a snowy family adventure to Big Bear Lake filled with skiing and snowball fights. She takes a bold step by attending an overnight camp on Catalina Island, where she snorkels, sails, and builds friendships while discovering her independence. With vivid storytelling and heartfelt humor, Diana's journey through friendship, self-discovery, and perseverance unfolds, making this installment a delightful and inspiring continuation of her adventures. Readers are sure to be captivated by her indomitable spirit and relatable experiences.