Helen Lester Books

Tacky s Christmas

By Lynn Munsinger, Helen Lester

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Hooway for Wodney Wat book and CD

By Helen Lester

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Listen Buddy

By Helen Lester

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A lop-eared rabbit named Buddy finds himself in trouble with the Scruffy Varmint because he never listens.

It wasn t my fault

By Lester Helen.

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RL 1. 004-007. Things do not go smoothly for Mudley Gurdson. He can't control the toothpaste, breaks valuable vases, and falls into wastepaper baskets. But when a bird lays an egg on his head,...

Tacky the penguin

By Lester Helen.

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Tacky the penguin does not fit in with his sleek and graceful companions, but his odd behavior comes in handy when hunters come with maps and traps.

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.