P K. Roche Books

At Christmas be merry

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A collection of poems follows the activities of Mary and Jack through a busy Christmas season, from early holiday preparations to the joy and merriment of Christmas Day.

Jump all the morning

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Poems and traditional nursery rhymes follow two active toys through a busy day.

Dollhouse Magic

By P K. Roche, P. K. Roche, Drawings By Richard Cuffari, Photos. By John Knott

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Gives Instructions For Making Simple Dollhouse Furniture And Accessories From Household Odds And Ends.

Dollhouse Magic

By P K. Roche, P. K. Roche, Drawings By Richard Cuffari, Photos. By John Knott

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Gives instructions for making simple dollhouse furniture and accessories from household odds and ends.

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.

P K. Roche Books

At Christmas be merry

Jump all the morning

Goodbye, Arnold!

Jumpall the morning

Dollhouse Magic

Dollhouse Magic

Good-bye, Arnold!

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?