Valeria Petrone Books

Big Bad Story Book

By Valeria Petrone, Denis Bond

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Blue Boat

By Valeria Petrone, Kersten Hamilton

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Pirate Nap

By Danna Smith, Valeria Petrone

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Pirate Nap

By Danna Smith, Valeria Petrone

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Kindergarten Phonics Readers Boxed Set

By Valeria Petrone, Kathryn Heling, Anna Jane Hays, Terry Pierce, Martha Weston

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Help your kindergartener learn to read with 5 books from the #1 early reader line, Step into Reading! Remember, a lifetime love of reading starts with a single Step!This boxed set of five Phonics R...

Orange Excavator

By Valeria Petrone, Kersten Hamilton

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From the creators of Red Truck, Yellow Copter, Blue Boat, and Green Tractor comes a delightful new story about an orange excavator who saves the town of Tumberton again and again!It's clean-up...

Merry Christmas, Red Truck

By Valeria Petrone, Kersten Hamilton

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The creators of the beloved board book, Red Truck, are back for a heartwarming Christmas story.It's Christmas Eve, but not everyone can make it home to celebrate. Red truck, wrapped in festive ligh...

Incy Wincy Spider and Other Nursery Rhymes

By Valeria Petrone, Ladybird Books Staff

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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.