Andrew Peterson Books

The Monster in the Hollows

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Things are about to go from bad to wolf in the howlingly entertaining third book of the Wingfeather Saga. Janner, Tink, and Leeli Igiby, the Lost Jewels of Anniera, are hiding from Gnag the Nameles...

The Warden and the Wolf King

By Andrew Peterson

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Our intrepid heroes are caught in the middle of an epic showdown between good and evil in the fourth and final novel of the Wingfeather Saga. All winter long, people in the Green Hollows have prepa...

A Ranger's Guide to Glipwood Forest

By Andrew Peterson

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ECPA BESTSELLER • This illustrated guide to the always mysterious and sometimes treacherous Glipwood Forest is an invaluable resource for first-time visitors, repeat travelers, and all fans of...

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.