

Kjartan and artist Alex Willmore at Foyles Bookshop, Charing Cross Rd, London in July 2019.

2019 July 

The Runaway Pea


Picture 

Simon & Schuster 
2019 April 

First Names: Harry (Houdini)


Nonfiction 

David Fickling Books 



2017 October 

Maths Quest: Escape from Hotel Infinity


Maths 

QED 



2017 June 

Agatha Parrot and the Thirteenth Chicken (US Edition)


Fiction 

Clarion Books 
2016 December 

Agatha Parrot and the Heart of Mud (US Edition)


Fiction 

Clarion Books 
2016 July 

Agatha Parrot and the Old Street School Ghost (US Edition)


Fiction 

Clarion Books 



2016 January 

Maths Adventure (Board book)


Maths 

Egmont 
2015 July 

Borgon the Axeboy and the Whispering Temple


Fiction 

Faber and Faber 
2015 March 

Borgon the Axeboy and the Prince's Shadow


Fiction 

Faber and Faber 



2014 August 

Murderous Maths: Magic of Maths
 
Maths 

Scholastic 
2014 August 

Murderous Maths: Secrets of Sums
 
Maths 

Scholastic 
2014 August 

Murderous Maths: BrainBending Basics
 
Maths 

Scholastic 
2014 August 

Murderous Maths: All Shapes and Sizes
 
Maths 

Scholastic 



2014 July 

Borgon the Axeboy and the Dangerous Breakfast
 
Fiction 

Faber and Faber 
2014 January 

Agatha Parrot and the Odd Street Ghost
 
Fiction 

Egmont 
2013 July 

Agatha Parrot and the Thirteenth Chicken
 
Fiction 

Egmont 
2013 February 

Agatha Parrot and the Heart of Mud
 
Fiction 

Egmont 
2012 July 

Agatha Parrot and the Zombie Bird
 
Fiction 

Egmont 
2012 February 

Agatha Parrot and the Mushroom Boy
 
Fiction 

Egmont 
2011 August 

Agatha Parrot and the Floating Head
 
Fiction 

Egmont 



2010 Sept 

Everyday Maths for Grown Ups
 
Maths 

Michael O'Mara 





2010 August 

Murderous Maths: Easy Questions Evil Answers
 
Maths 

Scholastic 
2010 April 

Murderous Maths: The Murderous Maths of Everything *
 
Maths 

Scholastic 

2009 

All new editions of the Murderous Maths series
 
Maths 

Scholastic 
2008 August 

Urgum and the Goo Goo Bah!
 
Fiction 

Scholastic 
2007 Sept 

Urgum and the Seat of Flames
 
Fiction 

Scholastic 





2007 May 

Murderous Maths: Codes *
 
Maths 

Scholastic 
2006 October 

Urgum the Axeman
 
Fiction 

Scholastic 
2006 

Murderous Maths: Kakuro
 
Puzzle 

Scholastic 
2005 

A Brief History of Pants *
 
Fiction 

Scholastic 
2005 

Murderous Maths: The Perfect Sausage
 
Maths 

Scholastic 
2005 

Murderous Maths: Sudoku
 
Puzzle 

Scholastic 


 



2004 

The Magic of Pants *
 
Activity 

Scholastic 
2004 

Murderous Maths: The Fiendish Angletron
 
Maths 

Scholastic 
2003 

Murderous Maths: The Phantom X
 
Maths 

Scholastic 
2002 

Nell's Belles
 
Stage show 

Samuel French 


2002 

Murderous Maths: Numbers  The Key to the Universe *
 
Maths 

Scholastic 
2002 

Murderous Maths: Professor Fiendish's Book of Diabolical Brainbenders *
 
Puzzle 

Scholastic 
2002 

The Warp Maze
 
Puzzle 

Scholastic 


2002 

Murderous Maths: Vicious Circles and other Savage Shapes *
 
Maths 

Scholastic 
2001 

Alternative GCSE Guides: Maths
 
Maths 

Scholastic 
2001 

BBC Megamaths: Problem Solving
 
Activity 

BBC Worldwide 
2001 

Murderous Maths: Do You Feel Lucky?
 
Maths 

Scholastic 
2000 

Murderous Maths: Desperate Measures
 
Maths 

Scholastic 
2000 

Murderous Maths: The Mean and Vulgar Bits
 
Maths 

Scholastic 
2000 

BBC Megamaths: Shape
 
Activity 

BBC Worldwide 
2000 

BBC Megamaths: Fractions
 
Activity 

BBC Worldwide 


1999 

Dead Famous: Isaac Newton and His Apple *
 
Nonfiction 

Scholastic 
1999 

Rosie and Jim Annual 1999
 
Fiction 

Ragdoll 
1999 

Murderous Maths: Essential Arithmetricks *
 
Maths 

Scholastic 
1998 

Brat Pack: Secret Codes
 
Activity 

Scholastic 
1998 

Brat Pack: Practical Jokes
 
Activity 

Scholastic 





1998 

BBC: Money with Dynamo
 
Activity 

BBC Worldwide 
1998 

BBC: Tables with Dynamo
 
Activity 

BBC Worldwide 

1998 

Rosie and Jim Annual 1998
 
Fiction 

Ragdoll 
1998 

The Knowledge: More Murderous Maths *
 
Maths 

Scholastic 
1998 

BBC Megamaths: Measure
 
Activity 

BBC Worldwide 
1998 

Killer Puzzles: Titus O'Skinty's Gruesome Game Show


Puzzle 

Scholastic 





1998 

Fawkes The Quiet Guy
 
Stage show 

Samuel French 
1997 

BBC Megamaths: Money
 
Activity 

BBC Worldwide 
1997 

BBC Megamaths: Division
 
Activity 

BBC Worldwide 
1997 

Rosie and Jim Annual 1997
 
Fiction 

Ragdoll 





1997 

The Knowledge: The Gobsmacking Galaxy
 
Nonfiction 

Scholastic 
1997 

The Knowledge: Murderous Maths *
 
Maths 

Scholastic 
1996 

BBC Megamaths: Tables
 
Activity 

BBC Worldwide 
1996 

Rosie and Jim Annual 1996
 
Fiction 

Ragdoll 
1996 

Killer Puzzles: Attack of the Killer Puzzles
 
Puzzle 

Scholastic 
1996 

The Rumpelstiltskin Racket
 
Stage show 

Samuel French 
1995 

Henry The Tudor Dude
 
Stage show 

Samuel French 
1995 

The 113 *@#K Ups
 
Cartoons 

Grub Street 
1994 

Killer Puzzles: Find the Phantom of Ghastly Castle
 
Puzzle 

Scholastic 
1993 

Killer Puzzles: Decode the Deadliest Joke in the Universe
 
Puzzle 

Scholastic 





1993 

The 122 Turn Offs
 
Cartoons 

Grub Street 
1992 

The 99 Don'ts
 
Cartoons 

Grub Street 
1990 

Sammy's Magic Garden
 
Stage show 

Samuel French 
1990 

The Mystery of the Pirate's Treasure
 
Puzzle 

Belitha Press 
1989 

The Mystery of the Magic Toy
 
Puzzle 

Belitha Press 


 



With special thanks to MARILYN MALIN who published my first two puzzle books and has represented me ever since!
