Nancy M. Leak Books

Wemberly worried

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A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to worry about when she faces the first day of nursery school.

A pocket full of kisses

By Audrey Penn

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Chester Raccoon is worried that his mother does not have enough love for both him and his new baby brother.

Chester Raccoon and the Big Bad Bully

By Audrey Penn

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Wemberly worried

By Kevin Henkes

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A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to worry about when she faces the first day of nursery school.

Chester Raccoon and the Acorn Full of Memories

By Audrey Penn

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Bisou Secret

By Ruth E. Harper, Audrey Penn, Nancy M. Leak

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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.