Nicholas Heller Books

In the backyard where Charlie has buried his tooth because he no longer believes in the Tooth Fairy, a voracious tree with teeth on its branches appears and begins to devour everything in sight; bu...

The Tooth Tree

By Nicholas Heller

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Up the wall

By Nicholas Heller

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When his family chase a boy away while they are working, he packs his food and toys, calls his dog, and walks up the wall to the ceiling, where he can hang around doing just as he likes.

Up the wall

By Nicholas Heller

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When his family chase a boy away while they are working, he packs his food and toys, calls his dog, and walks up the wall to the ceiling, where he can hang around doing just as he likes.

Peas

By Nicholas Heller

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After refusing to eat his peas, Lewis dreams that they get out of their bowl and go for a wild ride on his electric train.

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.