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Series

The Tudor Rose Murders

G. J. Williams’s Tudor Rose Murders follow the historical scholar, mathematician and astrologer John Dee and his fictional apprentice Margaretta Morgan through murder investigations embedded in the dynastic and religious crises of the mid-Tudor period. The Conjuror’s Apprentice is set under Mary I in 1555; The Wolf’s Shadow moves to 1558 and reopens the Thomas Seymour scandal; The Cygnet Prince uses Elizabeth I’s smallpox and succession crisis of 1562; and The Assassin’s Mark begins in 1570 after the Northern Rebellion.

The series mixes historical crime and court intrigue with occult and supernatural elements associated with Dee and Margaretta. Dee, Elizabeth I and many courtiers appear under their historical identities, while Margaretta, the murders and the principal conspiracies are fictional. The books therefore use real Tudor political crises as frameworks for mysteries rather than presenting their invented plots as undocumented history.

Reading order

Books in this series (4 books)

The Conjuror’s Apprentice cover

1. The Conjuror’s Apprentice

G. J. Williams

First published 2022

4.2(1,325)

London, May 1555. A brutally injured boy is pulled from the Thames carrying clues that appear to implicate Princess Elizabeth in treason against her half-sister Queen Mary I. John Dee, already known for his learning in mathematics, astrology and the occult sciences, and his fictional secret…

The Wolf’s Shadow cover

2. The Wolf’s Shadow

G. J. Williams

First published 2024

4.3(1,022)

England, 1558. A naked body is found hanging from an oak at Hatfield House and appears to be Thomas Seymour, although the historical Seymour was executed for treason nine years earlier. John Dee, Margaretta and Dee’s pupil Christopher are ordered to investigate as a kidnapping, ransom…

The Cygnet Prince cover

3. The Cygnet Prince

G. J. Williams

First published 2025

4.4(520)

England, 1562. While Elizabeth I is dangerously ill with smallpox, a young German prince arrives claiming to be the secret son of Henry VIII and Anne of Cleves and therefore the rightful Tudor king. Jewels, letters and a convincing resemblance give the claim enough weight to…

The Assassin’s Mark cover

4. The Assassin’s Mark

G. J. Williams

First published 2026

4.5(198)

March 1570. Elizabeth I’s government has only just suppressed the Northern Rebellion, which sought to replace her with Mary, Queen of Scots, when a ritualised murder near the royal palace introduces a new threat. A cloven hoof-print, poisonings and references to the figure of Baphomet lead…