Mary Blocksma Books

Spin Around the Birthday Planet Sticker Book
What s on the Beach
What s on the Beach

By Mary Blocksma

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What s on the Beach
What s on the Beach

By Mary Blocksma

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What s in the Woods
What s in the Woods

By Mary Blocksma

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Dog Rescue a to Z
Dog Rescue a to Z

By Mary Blocksma

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Whats in the Woods
Whats in the Woods

By Mary Blocksma

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Yoo Hoo Moon
Yoo Hoo Moon

By Mary Blocksma, Patience Brewster

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Grandma Dragon's birthday
Grandma Dragon's birthday

By Mary Blocksma

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Grandma Dragon's birthday requires a special present. What will it be?

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Rub-a-dub-dub
Rub-a-dub-dub

By Mary Blocksma

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A boy and his dog have a wonderful time in the bath, but try very hard not to get any water on the floor.

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Manzano, manzano!
Manzano, manzano!

By Mary Blocksma

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The apple tree is a friend to all but longs for a true friend of its own.

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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.

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