What's the Name of That Book??? discussion

This topic is about
The Syndicate
SOLVED: Adult Fiction
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SOLVED. Adult Time Travel series. Team travels through time vortex to recover stolen items. Real historical events. Hemingway, Mary Queen of Scots, 1920 US Prohibition, etc. Read 2019-2020. Spoilers ahead. [s]
date
newest »

When you think it was written or when you read it: not sure when it was written but i read it 2019/2020
Book's intended audience Adults
Title don't remember , author don't remember, Kindle Book
characters,
Possible Soilers
Main Characters
Statis, (female), Cyrus, last book revealed that Cyrus believed that he might be Statis's father . Louis , who appears to be Marie Antoinette son that too has travelled through time before her death
Statis was found in a work camp and was employee by Cyrus once she turn 17 . Statis has a pendent with a clover leaf hallmark that was left to her by her birth mother, the material of this necklace helps her travel through time. Louis has cufflinks made out of the same materials. All characters have gold tattoos that also help them travel though time and stop them getting time travel sickness.
Statis and Louis are one team and Molly ? and another guy are the other time but often time travel as a group of 4. The have a phrase that the say before travelling "Lock it down " eg get into character
They are based on an island either Caribbean or similar and travel through the vortex to different time periods and countries via an Alchemist station. Their training centre is the palace of Versailles
This is a series of fiction time travel book, but so far with real historical events, So far they have been to :
Book 1 - Paris when the team go back to find Ernest Hemingway unpublished book. They were invite to a party with Ezra Pound, Ernest Hemingway, Gertrude Stein, James Joyce, John Dos Passos, F. Scott Fitzgerald This book concludes in The Theatre du Grand Guigno
Book 2 - London 1587 - just before Mary Queen Of Scots execution
Book 3 - America 1920 - Just before Prohibition
Thanks in Advance For Your Help