Jenna Lettice Books

12 Days of Halloween

By Jenna Lettice, Colleen M. Madden

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The 12 Days of Kindergarten

By Jenna Lettice, Colleen M. Madden

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Get ready to go back to school by counting the first 12 days of kindergarten with this fun-filled picture book inspired by “The 12 Days of Christmas” — perfect for fans of Natasha Wing’s “The...

The 12 Days of Valentine's

By Jenna Lettice, Colleen Madden

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Count the 12 days leading up to Valentine’s Day with this fun-filled picture book inspired by “The 12 Days of Christmas”—perfect for fans of Natasha Wing’s “The Night Before” series. The first day...

The 12 Days of St. Patrick's Day

By Jenna Lettice, Colleen Madden

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Count the 12 days of St. Patrick's Day with this fun-filled picture book inspired by "The 12 Days of Christmas"--perfect for fans of Natasha Wing's The Night Before series. Includes stickers for a...

The 12 Days of Lunar New Year

By Jenna Lettice, Colleen Madden

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Count out twelve ways to celebrate Lunar New Year! This fun-filled picture book inspired by "The 12 Days of Christmas" is perfect for fans of Natasha Wing's The Night Before series.This cheery addi...

12 Days of Kindness

By Jenna Lettice, Colleen Madden

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The 12 Days of Thanksgiving

By Jenna Lettice Illustrated By Colleen Madden

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Count the 12 days leading up to Thanksgiving with this fun-filled picture book inspired by “The 12 Days of Christmas”—perfect for fans of Natasha Wing’s "The Night Before" s...

The 12 Days of Preschool

By Jenna Lettice Illustrated By Colleen Madden

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Get ready to go back to school by counting the first twelve days of preschool with this fun-filled picture book inspired by “The 12 Days of Christmas” — perfect for fan...

12 Days of Kindergarten

By Jenna Lettice

Average: 0.00, 0 Ratings

12 Days of Halloween

By Jenna Lettice

Average: 0.00, 0 Ratings

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.