内容简介：
In a unique and mysterious environment, two friends find themselves in a strange place with only a book, the Cerebral Codex, to help guide them. They find that the codex is riddled with mind bending and mysterious mental challenges, which when solved lead them on an adventure like no other. Readers can enjoy the book as a work of fiction by simply reading the story cover to cover and experiencing the adventure. Curious readers can work to solve the puzzles and uncover hidden information in the codex using the same techniques utilized by the books characters. Advanced puzzle solvers can search for hidden information beyond what the characters were able to find. But wait, there is still more!