Gemma Hunt hears from children in east London about some of the changes they've been noticing as the area gets ready for the London 2012 Olympic Games.

Ralph van Dijk and side-kick Matrix have more questions to consolidate mental maths skills and the focus today is multiplication with zeroes.

Paul Stewart and Chris Riddell answer questions about their work and the relationship of writer and illustrator in particular.

Richard Lloyd King continues his celebration of London 2012 with dance sequences based on athletic competition.