High school senior Alissa Parker's life is upended when her grandfather, physicist Luke Parker, mysteriously disappears, leaving behind a cryptic notebook encrypted with a cipher only she can crack. With her best friend Sierra, Alissa embarks on a thrilling quest to uncover the secrets within. Their journey reveals the HERT (Hydro Energy Regulator Transmitter), a device that could revolutionize energy, and a conspiracy threatening their world.As Alissa and her allies, including Luke, Wren, Ciara, and Chadwick, strive to create Crystalline, a self-sustaining city in the Arizona desert, they face obstacles from environmental challenges to the sinister Harrison Group. Amid political intrigue and mounting threats, they must protect their home from global powers and shadowy figures like Benjamin Harrison.Innovexus faces its greatest challenge as Luke and his team push HERT technology to its limits. With tensions rising between sustainability and resource demands, their future hangs in the balance. As powerful enemies close in, Alissa deciphers Luke's cryptic plan, leading to a high-stakes showdown. In the end, their legacy is not just discovered, it's unleashed. Join them in a journey where technology and humanity collide, changing everything.This novel is a complete edition, merging the thrilling narratives of nine previously released Deciphering the Legacy book series into one epic adventure.