Murderous Maths: All Shapes & Sizes is full of facts, tricks & tips to help children discover why shapes are super & measurements

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Maths with the laughs added in & the boredom taken away – plus heaps of easy ways to understand tough concepts that would normally

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Using a host of hilarious characters, Kjartan Poskitt presents all the tricks, tips & shortcuts to probability they don't teach

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Why do people think Friday 13th is unlucky? How can you make a liar tell the truth? How many people in the world share your birthday?

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Maths with the laughs added in & the boredom taken away – plus heaps of easy ways to understand tough concepts that would normally

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Murderous Maths: The Brain-Bending Basics is full of facts, tricks & tips to give children a roller-coaster overview into the

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Murderous Maths has been given a gorgeous new cover look!

For readers scared of squares & perplexed by primes, the

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Murderous Maths is full of incredible tricks to wow children & teachers alike. 

For readers floundering with their

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Murderous Maths: The Secrets of Sums is full of facts, tricks & tips to help children discover why numbers are nifty & arithmetic

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When the body of an unknown woman is found in an Edinburgh close, Detective Constable Faro assumes the killing is a random act of violence
- until he finds a playing card, the nine of diamonds, underneath her corpse. His superiors scoff at his suspicions of a serial killer, but days later a man is attacked in the street, & left badly bruised & battered with the nine of diamonds in his pocket. Faro believes there's a connection. He must contend with other problems, though, if he is to solve the case. Detective Sergeant Gosse does his best to frame suspect after suspect, but remains constantly irritated by his detective constable. & although Faro's sweetheart Lizzie loves him deeply, he is not sure if he feels the same way. & what of Inga St Ola, Faro's first & only true love from his native Orkney? Amongst all this, a servant at Lizzie's place of work goes missing. Could her disappearance be linked to the playing-card killer? Beset by hostile superiors & a police-hating public, Faro feels he may never crack this confounding case.
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