Cath Crowley Books

Life and Times of Gracie Faltrain The

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Senior year is over, and Lucy has the perfect way to celebrate: tonight, she's going to find Shadow, the mysterious graffiti artist whose work appears all over the city. He's out there somewhere—sp...

Words in deep blue

By Cath Crowley

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Teenagers Rachel and Henry find their way back to each other while working in an old bookstore full of secrets and crushes, love letters and memories, grief and hope.

Words in deep blue

By Cath Crowley

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Teenagers Rachel and Henry find their way back to each other while working in an old bookstore full of secrets and crushes, love letters and memories, grief and hope.

Words in Deep Blue

By Cath Crowley

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“One of the loveliest, most exquisitely beautiful books I’ve read in a very long time. . . . I didn’t just read the pages, I lived in them.” —Jennifer Niven, New York...

Graffiti moon

By Cath Crowley

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Graffiti moon

By Cath Crowley

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Graffiti moon

By Cath Crowley

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Roman d'amour L'Ombre et le Poète, deux mystérieux garçons, peignent la nuit des graffs sur les murs de la ville. Lucy, 17 ans, est si fascinée par l'Ombre qu'elle s'en croit amoureuse. Un soir, e...

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.