Cate Tiernan Books

After seeing her best friend, a Dark Immortal called Incy, torture a human with magick, Nastasya, a spoiled party girl, enters a home for wayward immortals and finally begins to deal with life, eve...

Eternally yours

By Cate Tiernan

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Eternally yours

By Cate Tiernan

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Darkest fear

By Cate Tiernan

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Vivi's animal instincts are her legacy--and may be her downfall--in this start to a romantic fantasy series that will appeal to fans of The Nine Lives of Chloe King. Vivi has known the truth about...

Darkest fear

By Cate Tiernan

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Vivi's animal instincts are her legacy--and may be her downfall--in this start to a romantic fantasy series that will appeal to fans of The Nine Lives of Chloe King. Vivi has known the truth about...

A chalice of wind

By Cate Tiernan

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Separated since birth, seventeen-year-old twins Thais and Clio unexpectedly meet in New Orleans where they seem to be pursued by a coven of witches who want to harness the twins' magickal powers fo...

A circle of ashes

By Cate Tiernan

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While Daedalus schemes to use the coven's power for his own dark purposes, seventeen-year-old twins Clio and Thais seek to learn who is trying to hurt them and, in the process, discover that Thais'...

A feather of stone

By Cate Tiernan

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As the Treize is drawn together, seventeen-year-old twins Clio and Thais face further attempts on their lives, ongoing confusion over Richard and Luc, and the coven's pressure to participate in a l...

A necklace of water

By Cate Tiernan

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As the consequences of the Treize's magickal rite become more fully known, twin witches Clio and Thais pursue separate agendas involving Daedalus, and Melita returns with plans of her own.

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.