Ian Bradley's Complete Annotated Gilbert and Sullivan has established itself across the world as the authorized and definitive 'Bible' for all those interested in the Savoy operas. Originally published in two Penguin paperbacks in the 1980's, a single-volume comprehensive compendium, hailed widely as "easily the best annotated Gilbert & Sullivan available" (Gayden Wren, New York Times) was published by Oxford University Press in 1996.

This brand new 20th anniversary edition includes Thespis,...