No matter how hard Annie tries, she just cannot do even the simplest sums. It's so embarrassing! When she goes to the shops, she can't work out how much money to hand the shopkeeper, and she always gets 0 for her maths homework. That is, until Annie goes to sleep with a calculator under her pillow, and something very strange happens. Overnight, Annie becomes a maths maestro capable of solving problems so fast it takes people's breath away. It impresses one world-renowned maths genius so much that he decides to put Annie's powers to the ultimate test. Will Annie be up to the mathematical challenge, or will she be at sixes and sevens and end up back at square one? Prepare yourself for this brain-teasing adventure ...

 

There are 80 pages in this book. This book was published 2006 by Bloomsbury Publishing PLC .

Alexander McCall Smith grew up in Zimbabwe and then moved to Scotland. He is a professor of Medical Law and has written over 50 books, including the well-loved and best-selling No. 1 Ladies Detective Agency series. He lives in Edinburgh.