The previously-unpublished fourth part of Richard Bach’s Jonathan Livingston Seagull is published in a new, complete edition on February 14.

Richard Bach’s Jonathan Livingston Seagull was once a cult classic offering spiritual comfort long before mindfullness became the buzz word. The short book of calm about a seagull sold millions of copies around the globe,particularly during the 1970s and 1980s.

Its author Richard Bach has resurrected Jonathan again, in the recently-published follow-up to his 1977 memoir Illusions, which was written after he almost died when his plane hit a power line in 2012.

Also published by Scribner is a new edition of Jonathan Livingston Seagull, due this week .The work has been supplemented by  "the never-before-published Part Four".

Bach’s second memoir, Illusions II, has just been published as a Kindle Single, although Bach had not intended writing a follow-up memoir. “But after I was very nearly destroyed in an accident aboard my seaplane, I wondered if it were not an accident at all, but a test," he has declared through "Kindle Singles gave me the opportunity to share my story immediately."

Recovering after the plane accident, Bach meets his "spirit guides"  - and Jonathan is one of them - in the ebook memoir, Illusions 11. "There's no blessing that can't be a disaster, and no disaster that can't be a blessing," writes the author. The new "complete" edition of Jonathan Livingston Seagull is published on February 14.