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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If maths feels like a vicious circle & you know you need to get your brain in shape, you need to read Murderous Maths!

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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 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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The fourth book in the bestselling mini mystery puzzle series that challenges you to find whodunit, where & why! Freshman Logico arrives at the prestigious Deduction College with a keen interest in logic & a mission to graduate at the top of his class... when a series of mysterious killings occur in this fourth instalment of Murdle: The School of Mystery. Join Logico as he investigates tricky campus alliances, cut-throat student elections & trials for the varsity chessboxing team. Along the way, he'll glimpse robed figures in hidden tunnels & hear whispers of a secret society, all overshadowed by the unsolved death of Lord Graystone, founder of the school. Logico must determine whodunnit, how, where & why, before the final bell. & who better to help him than fellow student, the enigmatic Irratino? Examine the clues, interview the witnesses & complete the deduction grids to catch the culprits
- & complete them all to unfold an even greater mystery before it's too l...
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The fourth book in the sixth series of the exciting adventure stories that are as gripping as a computer game! Great for boys, with a huge collectability factor bolstered by the collectors' cards in the back of the books, & links to an excellent interactive website. ...