It’s so embarrassing! No matter how hard Annie tries, she just cannot do even the simplest sums. She can’t work out how much money to spend in the shops and her maths homework is always marked with a big fat zero. But one night Annie goes to sleep with a calculator under her pillow, and something very strange happens. Annie becomes a maths maestro capable of solving problems at super speeds. But when an international maths genius puts Annie’s powers test, will she be able to succeed in his challenge?
