Magicae Mathematica

Alex, a young precocious girl, mysteriously gets transported to a strange world where Latin and Math combine in formulas and equations with magical effects. With a cruel council leading the only safe city of its kind in this world, she will have to prove her worth to stay as well as help this city as it is the target for two evil wizards who seek to destroy the city and its ruling council.

A festival in Nosaj's honor has been interrupted by a mysterious challenger wearing the Circulus de Potentia, a band of gold that gives him unstoppable strength and power. One by one the Guardians fall and a race is on for Alex to go find the wizard with a secret regarding the curious symbol on the golden band.

A device that can destroy the world has fallen into the hands of the two master wizards who seek to destroy the council and their city. After a terrible event strikes the city, plans are put in motion for a mission to take back the device before Diades discovers its true power. Will they reach the black castle? How will they get past the tribesmen chiefs? A city divided, alliances split, two master wizards set to conquer, and a device of incredible power. If Alex is the missing variable...now what?

The fourth and final book in the Magicae Mathematica series concludes the story of Alex, Archimedes, and many other beloved characters as they fight against the evil Master Wizards who possess a device that could destroy the world. With time and hope running out, can Alex become the missing variable that everyone believes she is? With recent losses from both sides heavy and heartbreaking, and the most difficult decisions yet to be made. Will the Guardians make it through the mountains?