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Suitable for ages 9 upwards
Have you got a question bothering you that seems nice and easy, and yet nobody will give you an answer? It's probably because even though the question might look easy, the answer is EVIL!
Don't worry. In this book Murderous Maths takes on the questions that nobody else dares to touch and we work out all the evil answers.
Along the way you'll...
All the different Murderous Maths characters put their questions in a box, and the first one to be answered is Binkie Fogsworth's "How many different tunes can you play on a piano?" Even if you only have 4 different notes to choose from, and your tune is only 6 notes long, the answer is ... sixty four million!
These are the things you need to answer nearly every question in maths!
The optional extra things you need to become a mathematician. 
Can I divide everybody in the world into football teams?
What is the easiest times table to learn?
Is there a times table that will multiply ANY two numbers?
What’s a square root?
How can you work out square roots without a calculator?
What is p?
What is it?
Why does it work?
How long is the slide on a helter skelter?
When does 911 = 10 ?How far away is the horizon? What is the horizon formula? How fast does the moon move?How often do we get a full moon? 
The box would make flowers spring from the Great Rhun's footsteps and his shadow would glitter in the darkness  so why would he be foolish to buy it? 
Calendar Chaos!
When can I use my calendar again?
Why do we bother with leap years?
Was there ever a February 30th?
How often is there a 5th Sunday in February?
How often does Friday 13th occur?
Why do people think Friday 13th is unlucky?
How can I work out what weekday my birthday will be on this year?
How can I remember which months have 31 days?
… and what is the very biggest measurement?
How big is the universe?
How can I remember what a light year is?
How can you make a liar tell the truth?How far does a water current make you drift off course? 
What area of circle can you make with 100m of fence?
How many chops do you need to divide a chocolate cube?
How many different nets of a cube are there?
What is the biggest hole you can cut in a cube?
How big is a 1 tonne dice made of solid gold?
How many ways can you mix up a Rubiks cube?
If you want to break either of these bars into 12 pieces, it takes exactly 11 snaps! That's because each snap produces one more piece. You start with one piece and after 11 snaps you've got 1 + 11 = 12. See more about it here: EXTRA  The Age by Chocolate trick! 
Why can't you get a giant peopleeating spider?
What's that nasty thing in the basement?
What is the smallest number of weights you need for a set of balance scales?
Will the bath overflow with both taps on and the plug out?
to blow up a hot air balloon. 
What are the chances of sharing your bithday with your mum… …and your granny?
What are the chances that 365 strangers have different birthdays?
What’s easier  throwing dice to all land the same or all differently?EXTRA  What are the chances of 366 strangers all having a different birthday?
How long is the diagonal of a square?
What is the shortest way to connect the corners of a square?
Is there a very strange way of proving this by using bubbles?
How many blows would it take to blow up a hot air balloon?
How long would it take?
How many pant rattlers does it take to blow up a hot air balloon?
What is the biggest number?
How long does it really take to count to one million?
Is there an easy way to write down big numbers?
What does 2•3781 E9 on my calculator screen mean?
What are a billion, a trillion and a quadrillion like?
What’s after a quadrillion?
What is the most famous number to hold the World Record for being the biggest answer to a problem?
So what was the problem?
The Curry Burger ProblemHow high is a kite? Could one giant sneeze blast the Earth out of orbit? 
How can you link handcuffs without breaking them?
How can handcuffs pass through a solid mug handle?
What’s the best place to score a goal from the touchline?
How many matches does a knockout competition need?
How many footballs can you fit in a swimming pool?
How do you work out the volume of a football?
How can you measure the volume of a football?
How much of Archimedes bathwater is in every litre you drink?  
Goodbye!EXTRA  A bit of CALCULUS! 
10 million molecules of Archimedes bathwater! 
Murderous Maths Main Index Page
And of course no Murderous Maths book would ever be complete without the Evil Gollarks from the Planet Zog!
See how they get on with raiding the moon Lunagoll and outwitting the Ploogs, wiring up a defence system, connecting a power supply, and finally deciding it's easier to attack Earth instead. It's a shame they don't know about our secret weapon, which is not to be sniffed at! 