Cover art
Anderson, Poul. A Midsummer Tempest. Ballantine 1975.

Anderson, Poul. A Midsummer Tempest
Divergence: c 1600 CE
What if: Shakespeare's plays were real history and the Industrial Revolution arrived two centuries early. Also, magic works.
Summary: In order to keep Charles I on England's throne, a Cavalier prince searches for Prospero's isle.
Published: Doubleday 1974 (0385055056); Ballantine 1975 (0345274520); Orbit/Futura 1975 (0860078574); Tor 1984 (0812530799BUY).
Original in: English.
Translation: French by Patrick Marcel as Tempête d'une nuit d'été, Presses pocket 1990 (2266033786).
Translation: German by Thomas Schichtel as Ein Mittsommernachtssturm, Bastei-Lübbe 1982 (340420042X).
Awards: Nominee: 1975 Nebula for best novel. Nominee: 1975 World Fantasy Award for best novel.