Dark Numbers

Tim de Wilde has an affinity for numbers, a skill which brings him to the attention of the secretive school full of special, gifted students. But Tim’s gift is more special still, for he has the ability to use Dark Numbers, the secret property of all equations, to open portals in time and space. Mastering this ability will take him from the ancient past to the incredible future -- and launch him on a journey beyond anything he could have imagined.