Patricia Rae Wolff Books

The toll-bridge troll

By Patricia Rae Wolff

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A troll tries to prevent Trigg from crossing the bridge on the way to school only to be outwitted by the boy's riddles.

Cackle Cook's monster stew

By Patricia Rae Wolff

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Although Cackle Cook's pet monster hates gathering the ingredients, from ape hair to zombie clump, for her world-famous monster stew, he loves to eat it.

A new improved Santa

By Patricia Rae Wolff

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Santa Claus changes many things about himself, including his diet, clothes, and means of transportation, in an attempt to become a new, improved Santa.

The Toll Bridge Troll

By Kimberly Bulcken Root, Patricia Rae Wolff

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Toll Bridge Troll

By Patricia Rae Wolff

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The toll bridge troll

By Patricia Rae Illustrated By Kimberly Bulcken Root Wolff

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The Toll-Bridge Troll

By Patricia Rae Wolff

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Tout Nouveau Pere Noel

By Helene Pilotto, Lynne W. Cravath, Patricia Rae Wolff

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A new improved Santa

By Patricia Rae Wolff

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Santa Claus changes many things about himself, including his diet, clothes, and means of transportation, in an attempt to become a new, improved Santa.

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.