The first three novels - Queen Lucia, Miss Mapp, and Lucia in London - had already introduced us to the key characters but Benson's inspired idea was to bring the Mapp and Lucia together for the first time in this book. At last a worthy opponent for both of them.
Over the years it has been published in many editions but it is currently in print various editions including a Penguin Modern Classics paperback and a Hesperus Classics paperback. It is also available as part of a three volume paperback titled The Complete Mapp & Lucia Volume Two: Mapp and Lucia, Lucia's Progress, Trouble for Lucia which also includes Lucia's Progress and Trouble for Lucia.