Imogen Robertson Books

Instruments of Darkness

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The first novel in the Westerman and Crowther historical crime series that The New York Times Book Review called “CSI: Georgian England” and Tess Gerritsen called “chillingly memorable”Debut noveli...

Circle of Shadows

By Imogen Robertson

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“The best yet in [Robertson’s] late-18th-century historical series.” —Publishers Weekly (starred review)In the fourth installment of Imogen Robertson’s acclaimed historical suspense series, Mrs. Ha...

Circle of shadows

By Imogen Robertson

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When a beautiful aristocrat is murdered during a masked ball in 1784, Mrs. Harriet Westerman and her reclusive companion, anatomist Gabriel Crowther, struggle with reluctant witnesses to clear the...

Instruments of darkness

By Imogen Robertson

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"Thornleigh Hall, the forbidding seat of the Earl of Sussex, dominates the surrounding countryside. Its heir is missing, and the once vigorous family is reduced to a cripple, his whore and his alco...

Instruments of darkness

By Imogen Robertson

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Sussex 1780. Thornleigh Hall, the ornate and forbidding seat of the Earl of Sussex, dominates the surrounding countryside. Though its heir is missing and the once vigorous family is reduced to a cr...

Instruments of darkness

By Imogen Robertson

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Instruments of darkness

By Imogen Robertson

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Island of bones

By Imogen Robertson

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Cumbria, 1783. A broken heritage; a secret history ... The tomb of the first Earl of Greta should have lain undisturbed on its island of bones for three hundred years. When idle curiosity opens the...

Island of bones

By Imogen Robertson

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Circle of shadows

By Imogen Robertson

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A locked room. A dark threat. A place of poisonous lies. Germany, 1784. Daniel Clode cannot say whether or not he killed the woman. They were found together in a locked room, dressed for the Carniv...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.