Betty G. Birney Books

Humphrey's Really Wheely Racing Day

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Everyone’s favorite classroom pet is now starring in chapter books! Humphrey is one happy hamster. He lives in Room 26 at Longfellow School. He has a big comfy cage with a wheel perfect for spinnin...

Imagination According to Humphrey

By Betty G. Birney

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Humphrey's eleventh adventure celebrates stories, writing, and the power of the imagination! Imaginations are running wild in Mrs. Brisbane’s class, but Humphrey is stumped. His friends are writing...

Spring According to Humphrey

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The twelfth book in the beloved and award-winning school hamster series! Spring has sprung and everyone at Longfellow School, including Ms. Brisbane's class, are HAPPY-HAPPY-HAPPY! It also means F...

Spring According to Humphrey

By Betty G. Birney

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Disney's Chip N Dale

By Betty G. Birney

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Walt Disney's Winnie the Pooh and the missing pots

By Betty G. Birney

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Walt Disney's Winnie the Pooh half a haycorn pie

By Betty G. Birney

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Walt Disney's Winnie the Pooh and the little lost bird

By Betty G. Birney

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Walt Disney's I Am Winnie the Pooh

By Betty G. Birney

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Winnie the Pooh describes his home, his friends, Piglet, Owl, Tigger, Rabbit and Christopher Robin, and his favorite food, honey.

Walt Disney's Sleeping Beauty

By Betty G. Birney

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A wicked witch's spell over the Princess Aurora is broken when Prince Phillip releases her with a kiss.

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.