Helen Lester Books

It Wasn't My Fault

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When accidents happen to Murdley Gurdson, they are usually his own fault, but when a bird lays an egg on Murdley's head one day, he tries hard to find someone else to blame.

Tacky the Penguin

By Helen Lester, 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.

The Wizard the Fairy and the Magic Chicken

By Helen Lester

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Me First

By Helen Lester, Lester Helen.

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Pinkerton the pig always manages to be first until he rushes for a sandwich and it turns out to be not the edible kind.

Listen, Buddy

By Helen Lester, Lester Helen.

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

Author

By Helen Lester, Lester Helen.

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Children's author Helen Lester describes her life from age three to adulthood and discusses how she writes.

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.