Robert Liparulo Books

When fifteen-year-old Xander and his family move into an old, abandoned house in the middle of a dense forest outside of a small California town, they discover that not only are some of the rooms p...

Comes a Horseman

By Robert Liparulo

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Comes a Horseman

By Robert Liparulo

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Germ

By Robert Liparulo

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Watcher in the woods

By Robert Liparulo

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Twelve-year-old David and his family search for their kidnapped mother in the many different time period portals of their home, but when a stranger appears and tries to force them to sell the house...

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.