From the back cover:

Return with Contract Diplomat Gerard Manley to the lost decade before the exciting adventures recorded in the Windhover tapes. Recapture the intrigue, treachery and passion of his years as Consort to Fairy Peg, ruler of the Ribble Galaxy, and Supreme Commander of the elite fighting force known as the Gabriel Ratchets. Follow Manley on a brutal mission to subdue a rebel planet, as he fights to survive the rivalries of the Ribble court... and on a voyage into the reaches of his own mind to learn the awesome secrets locked within. FIZE OF THE GABRIEL RATCHETS is the shattering, haunting tale of a man who became a pawn in a deadly intergalactic struggle.