Rob Eastaway is one of the UK's leading popularisers of maths and author of books including the best-selling Why Do Buses Come in Threes? and How Many Socks Make a Pair?. He gives maths talks across the UK to audiences of all ages, and is regularly to be heard on BBC Radio talking about the maths of everyday life. Mike Askew taught for several years in primary schools in London before moving to work in teacher education. He was Professor of Maths Education at King's College London and is now Professor of Maths Education at Melbourne University, Australia. Rob and Mike are the co-authors of the acclaimed Maths for Mums and Dads, Square Peg 2010.