More from Chalkdust
Prize crossnumber, Issue 15
Win a £100 Maths Gear goody bag by solving our infamous puzzle
The Maths of Life and Death
We review the sevnth of this year's nominees for the Book of the Year
My life with mathematical tattoos
... and how Chalkdust played a role in one of them
Summer puzzles
Have a go at these puzzles, adequate for your holidays!
Review of Elastic Numbers
We have a go at the puzzles in Daniel Griller's new book
Top Ten: Colours of chalk
The definitive chart of chalk's greatest colours