Fleet Street Publisher was a desktop publishing program produced by Mirrorsoft in the United Kingdom. It was produced for the Atari ST, and first released in November 1986. A PC version was produced by Rowan Software but never released.
It was superseded by Timeworks Publisher (Publish-It in the USA), which the market regarded as a much better product. This was produced by GST, now Greenstreet, and upgrades are still available.
References
Fleet Street Publisher Wikipedia(Text) CC BY-SA