There are 3 books in the The None Shall Sleep Sequence series. The newest book is All Shall Mourn which came out in 2025.

1
None Shall Sleep

Book cover of None Shall Sleep

In 1982, two teenagers-serial killer survivor Emma Lewis and US Marshal candidate Travis Bell-are recruited by the FBI to interview convicted juvenile killers and provide insight and advice on cold cases. From the start, Emma and Travis develop a quick friendship, gaining information from juvenile murderers that even the FBI…

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2
Some Shall Break

Book cover of Some Shall Break

After a harrowingly close contact with juvenile sociopath Simon Gutmunsson, junior FBI consultants Emma Lewis and Travis Bell went their separate ways: Emma rejected her Quantico offer and Travis stayed to train within a new unit of the FBI Behavioural Science division. But the unit's latest case is feeling eerily…

3
All Shall Mourn

Book cover of All Shall Mourn

From the author of New York Times bestseller None Shall Sleep and a Kirkus 2023 Best YA Book of the Year sequel Some Shall Break - the electrifying third and final instalment in The None Shall Sleep Sequence.

Simon Gutmunsson is on the loose...

Since the disastrous events of the…