Susanna organised a morning's tour of Bologna with Mario.  The tour was for our family, which includes two girls aged 14 and 11.  Mario met us on time.  He was very polite and helpful and had an amazing knowledge of Bologna.  He gave us an excellent tour of the main sites in Bologna as well as some more obscure places that we wouldn't have seen ourselves. His knowledge really brought the history of the City alive and gave us an appetite to explore further.  I would definitely revommend Marco to others.