The Name Of This Book Is Secret

This is a story about a secret, but it also contains a secret story. When adventurous detectives, Cass, an ever-vigilant survivalist, and Max-Ernest, a boy driven by logic, discover the Symphony of Smells, a box filled with smelly vials of colorful ingredients, they accidentally stumble upon a mystery surrounding a dead magicians' hidden diary and the hunt for immortality. Filled with word games, anagrams, and featuring a mysterious narrator, this is a book that won't stay secret for long.