The Mastic Codex. Things Left Open, #4

In a reading room above the old Sponge Exchange, Tarpon Springs archivist Nicolette Pappas is cataloguing a century of Greek import papers when she finds dates that cannot be true. Mastic is bled from the trees in summer; these receipts record harvests in February. The impossible dates are not errors. They cluster. They count. And they point across the ocean to a single book. The trail runs from a Florida sponge town through a Greek cooperative archive to a manuscript sealed for four centuries in a mountain monastery on Chios, a codex whose anomalous dates are protection marks, each one shielding a refugee family whose survival depended on the record staying closed.
A polite American collector is already circling. A foundation's money has strings. And the deeper Nicolette reads, the clearer it becomes that publishing the truth and protecting the living are not the same act. She has built her life on the belief that the right archive is always the public archive. Now she must decide what history is owed to everyone, and what is owed only to the people it could still harm.
Book 4 of Things Left Open. Each book stands completely alone.