Cathy Hapka Books

Pony Scouts: Pony Party

By Anne Kennedy, Catherine Hapka

Average: 0.00, 0 Ratings

Pony Scouts Back in the Saddle

By Anne Kennedy, Catherine Hapka

Average: 0.00, 0 Ratings

Splat the Cat Goes to the Doctor

By Rob Scotton

Average: 0.00, 0 Ratings

Sinbad junior novelization UK ed. Sinbad

By Ellen Weiss

Average: 0.00, 0 Ratings

Sinbad and Marina chapter book UK ed. Chapter Book

By Cathy Hapka

Average: 0.00, 0 Ratings

Charlotte's Web: New in the Barn

By Cathy Hapka

Average: 0.00, 0 Ratings

This is a new story featuring the characters from 'Charlotte's Web'. Wilbur is sad to leave Fern, but then he meets all the inhabitants on Zukerman Farm.

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.