On the occasion of Haydn’s anniversary year 2009, we have a particular highlight: all of Joseph Haydn’s 69 string quartets, in 12 paperback editions, collected together in an extremely affordable slipcase. All of the study scores minutely follow the musical text contained in the uncontested reference edition by the Joseph Haydn Institute in Cologne, whose scholarly critical Haydn Complete Edition is also published by Henle Publishers. Each quartet opus reflects the latest in scholarly research a