Leslie Helakoski Books

Woolbur

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Woolbur, a sheep with a mind of his own, never seems to follow the flock, despite his parents' reminders about how he should behave.

Woolbur

By Leslie Helakoski

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Ready or not Woolbur goes to school

By Leslie Helakoski

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Today is Woolbur s first day of school. He s happy, he s excited, and his wool is woolier than ever. Maa and Paa worry that their little sheep shouldn t go out on his own. But with his cheerful spi...

Big Chickens

By Leslie Helakoski

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Big Chickens Fly the Coop Book Audio CD

By Leslie Helakoski

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The smushy bus

By Leslie Helakoski

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When the regular schoolbus is in the shop, a clever driver must use all that he knows about addition and subtraction to ensure that seventy-six children get on--and off--of the four-seat substitute...

The smushy bus

By Leslie Helakoski

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Big Chickens Fly the Coop

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Hoot Honk just can t sleep

By Leslie Helakoski

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Newly hatched Hoot, an owlet, and Honk, a fuzzy gosling, find themselves in the wrong nests after an egg mix-up places them with opposing families and compels them to find their way back home.

Fair Cow

By Leslie Helakoski

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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.