Holly Black Books

The Copper Gauntlet Magisterium Book 2

By Holly Black

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The Spiderwick Chronicles Deluxe Collector s Trunk The Spiderwick Chronicles

By Holly Black

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Spiderwick Chronicles Cycle 1 Movie Tie in Box Set The Field Guide The Seeing Stone Lucinda s Secret The Ironwood Tree The Wrath of Mulgarath The Spiderwick Chronicles

By Holly Black

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The field guide

By Holly Black, Tony DiTerlizzi

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When the Grace children go to stay at their Great Aunt Lucinda's worn Victorian house, they discover a field guide to fairies and other creatures and begin to have some unusual experiences.

Lucinda s secret

By Holly Black, Tony DiTerlizzi

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With goblins, trolls, and the house boggart all trying to get them, the Grace children turn to Great Aunt Lucinda for help.

The wrath of Mulgarath

By Holly Black, Tony DiTerlizzi

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After returning home from their latest adventure, Mallory, Jared, and Simon find Mulgarath, an ogre and leader the goblins, has taken captive their mother along with Uncle Arthur's field guide.

The Chronicles of Spiderwick

By Holly Black, Tony DiTerlizzi

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Spiderwick s Notebook for Fantastical Observations Spiderwick Chronicle

By Holly Black, Tony DiTerlizzi

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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.