X+Y

In a world difficult to comprehend, he finds comfort in numbers. And when Nathan is taken under the wing of unconventional and anarchic teacher, Mr. Humphreys, the pair forge an unusual friendship. Eventually, Nathan’s talents win him a place on the UK National team at the International Mathematics Olympiad (IMO) and the team travel to a training camp in Taiwan, under the supervision of squad leader Richard.

In unfamiliar surroundings, Nathan is confronted by a series of unexpected challenges — not least the unfamiliar feelings he begins to experience for his Chinese counterpart, the beautiful Zhang Mei, feelings that develop when the young mathematicians return to England for the IMO, held at Trinity College, Cambridge.