Penny Dolan Books

The Egyptian Cat Mystery Race Further with Reading

By Penny Dolan

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At the end of the garden

By Penny Dolan

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A child observes a scarecrow in the garden in all kinds of weather.

Little Troll

By Penny Dolan

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Little Troll lives happily under a bridge until some goats start to bully him, but when the goats get into trouble and Little Troll saves them, they learn to coexist peacefully.

At the end of the garden

By Penny Dolan

Average: 0.00, 0 Ratings

A child observes a scarecrow in the garden in all kinds of weather.

Little Troll

By Penny Dolan

Average: 0.00, 0 Ratings

Little Troll lives happily under a bridge until some goats start to bully him, but when the goats get into trouble and Little Troll saves them, they learn to coexist peacefully.

Raffy s Party The Green Gang

By Penny Dolan, Hilary Robinson

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The third elephant

By Penny Dolan

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A small wooden elephant is gathering dust in an old house, dreaming of a white palace, when he's flung into an adventure and finds himself helping three children: Sara, a shy young musician; Nita,...

Ocho elefantes enormes

By Penny Dolan

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A boy asks to keep the mouse who made eight enormous elephants clean up after themselves after they rampaged through the house. "Qué pasa cuando llegan ocho elefantes enormes? Patinan por toda la...

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.