Paula Z. Hogan Books

The Penguin

By Paula Z. Hogan

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Explains in simple terms the life cycle of the penguin.

The hospital scares me

By Paula Z. Hogan

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After being rushed to the hospital with a broken ankle, Dan gradually grows less afraid as he receives emotional support and explanations of everything that happens to him.

Will dad ever move back home?

By Paula Z. Hogan

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When a child is bitterly unhappy that her divorced parents no longer live together, she and her family discover the importance of her directly expressing her feelings.

Sometimes I don't like school

By Paula Z. Hogan

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After using various tactics to avoid his dreaded arithmetic class, George finally decides to face the situation head-on.

I hate boys, I hate girls

By Paula Z. Hogan

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Peter and Dawn go from being friends to being enemies after his male friends make fun of him for having a "girl friend."

Sometimes I get so mad

By Paula Z. Hogan

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Karen learns to tell her friend that she is mad instead of doing something destructive.

The Whale

By Paula Z. Hogan

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The gorilla

By Paula Z. Hogan

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Describes in simple terms the life cycle of gorillas.

The beaver

By Paula Z. Hogan

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Describes in simple terms the life cycle of the beaver.

The crocodile

By Paula Z. Hogan

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Describes in simple terms the life cycle of crocodiles.

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.