He claimed that she was "an essential guide to personal and state development."

They stand as our essential guide to a good and honest life.

Edward Elgar: an essential guide to his life and works.

Let's dance: the essential guide to ballroom for amateur dancers.

Our essential guide to what to see and where to sleep, eat and shop in Sydney.

The essential guide to the country's best delis, markets and farm shops.

Our essential guide to what to see and where to sleep, eat and shop in the Czech capital.

He rejects the notion that there must be a correct moral theory, an essential guide to conduct in every situation.

Richard and Iago are also essential guides to exotic worlds.

The Acas newsletter is your essential guide to employment relations.