This edition of Op. 27 No. 2 (Moonlight) comes from the complete three-volume edition of-Beethovens 35 piano sonatas published by the Associated Board. Edited by Professor Barry-Cooper renowned Beethoven specialist this is the most comprehensive study of these-extraordinary works yet undertaken.- critical edition for todays performers teachers and scholars- faithful to the original notation correcting long-standing errors found in other editions- presents new and important research- introduction covering editorial method- commentary to the sonata (as a separate insert) including history full assessment of the-sources and detailed notes on interpretation