The book I read is called Operation Redwood. This book takes place in San Francisco and a Nothern California town called Willits. The main characters are Julian Carter-Li, his uncle Sibley Carter, and a girl who lives in Northern California named Robin Elder. Julian's uncle is a CEO of a big company and his company has been planning to cut down a forest of old-growth Redwood trees in Northern California. This is how Julian meets Robin. Robin sent an email titled "SIBLEY CARTER IS A WORLD-CLASS JERK." to Julian's uncle, but Julian found it before his uncle and deleted it.