There are 8 books in the Thief in Time series. The newest book is An Empire in Time which came out in 2022.

1
A Thief in Time

Book cover of A Thief in Time
8 BOOK SERIES - EACH A COMPLETE TALE!
Halley, who covers house-sitting jobs for her self-absorbed mom, has Hollywood dreams but no real life. Until the day a job for her mom leads to a tumble back to London, 1598, where Halley meets a hot, rich earl named Edmund. And…
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2
A Flight in Time

Book cover of A Flight in Time
Jillian dreams of abandoning her business major and going to culinary school in Europe, but her parents’ expectations and a crippling fear of flying threaten to keep her grounded. To address her fear of flight, she travels to 1908 to meet Wilbur Wright. She doesn’t plan on meeting handsome Everett,…

3
A Sword in Time

Book cover of A Sword in Time
DaVinci has a job to do: travel back in time to save her house from demolition, which isn't a problem except that in doing so, she ruins everything else in her life. Quintus, a hunk from 53 BC stuck in this century, has his own job: deliver a letter from…

4
A Crown in Time

Book cover of A Crown in Time

When Edmund is mysteriously returned to the seventeenth century, Halley must brave sickness without antibiotics, a second wife, and the Virgin Queen herself to save the man she loves before he's lost to her forever.

5
A Duel in Time

Book cover of A Duel in Time
Klee has always played second fiddle to her twin sister Kahlo, but all of that changes when Klee decides to secretly travel back in time to save Alexander Hamilton's son Philip from dying in a duel. Unfortunately Klee didn't read the user's manual, and soon she's risking the lives of…

6
A Brush in Time

Book cover of A Brush in Time
When Kahlo visits the Bahamas with friends,

she thinks her host Jules Khan is a grumpy misanthrope. But when he offers her the chance to visit her idol the painter Maxfield Parrish in the past, Kahlo jumps at the opportunity, despite threats from Jules's murderously jealous girlfriend. Soon Jules and…

7
A Passage in Time

Book cover of A Passage in Time
Trouble brews when Quintus Valerius hears slander against Julius Caesar and wants to go back in time to fix things. DaVinci, of course, is having none of it. Meanwhile, another physicist is unlocking the secrets of time travel. When a trip to 1935 unites them along with Walt Disney (and…

8
An Empire in Time

Book cover of An Empire in Time

Jillian and Everett's wedding plans are upended when fellow time-traveler Dr. Duval steps out of the shadows and into their lives. Removing the Eiffel Tower as part of an experiment, Duval inadvertently creates a new timeline where the United States of America disappears in 1804 and is replaced by a…