Holly Black Books

Lucinda s Secret and the Ironwood Tree Spiderwick Chronicles Audio

By Holly Black, Tony DiTerlizzi

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The Spiderwick Chronicles Book 2

By Tony DiTerlizzi

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Magisterium

By Holly Black, Cassandra Clare

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Magisterium

By Cassandra Clare

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Twelve-year-old Zach is too old to play with toys. Or at least, that's what his father thinks. But even though he stops hanging out with Poppy and Alice, stops playing with his action figures, it's...

Tithe

By Holly Black

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The Spiderwick Chronicles Volume I

By Holly Black, Tony DiTerlizzi

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The Spiderwick Chronicles Volume III Book 5

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A Flight of Angels

By Todd Klein, Holly Black, Rebecca Guay Mitchell

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Deep in the woods outside of a magical kingdom, a strange group of faeries and forest creatures discover a nearly dead angel, bleeding and unconscious with a sword by his side. They call a tribunal...

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.