There are 5 books in the The Split Worlds series. The newest book is All Good Things which came out in 2017.

1
Between Two Thorns

Book cover of Between Two Thorns
Beautiful and nuanced as it is dangerous, the manners of Regency and Victorian England blend into a scintillating fusion of contemporary urban fantasy and court intrigue.

Between Mundanus, the world of humans, and Exilium, the world of the Fae, lies the Nether, a mirror-world where the social structure of 19th-century…
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2
Any Other Name

Any Other Name
- Trade Paper Reissues of Books 1, 2 & 3 with gorgeous new cover designs to tie into the release of Book 4.

- Author Sales History. Between Two Thorns, sold 1798 in TP before the company publishing her (Angry Robot Books) went under. She released a science fiction novel,…

3
All Is Fair

Book cover of All Is Fair
In love and war nothing is safe.

William Iris struggles to keep the throne of Londinium whilst hated by his own court and beset by outsiders, while Cathy discovers the legacy of her former governess. But those who dare to speak out about Society are always silenced. Sometimes for good.…

4
A Little Knowledge

Book cover of A Little Knowledge
The long-awaited return to Emma Newman's popular fantasy series, A Little Knowledge takes us back to the Split Worlds, where dynastic families feud across the ages, furthering the agendas of their cruel supernatural patrons.

"Emma Newman is an extraordinary new voice in SF/F." Paul Cornell, Hugo Award winner, and author…

5
All Good Things

Book cover of All Good Things
From Emma Newman, the award-nominated author of Planetfall and Between Two Thorns, comes the long awaited conclusion to the Split Worlds series, described by Locus Magazine as "an intriguing mix of modern world, Victorian/Regency England, and faery."

As the Iris family consolidates their hold on society within the secret world…