Thea Feldman Books

Harry Cat and Tucker Mouse: Harry to the Rescue!

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Tucker Mouse spotted a lost penny in the shoeshine store, so he ran in to get it for his collection. Now the store is closed up tight, and Tucker is trapped. Can Harry Cat find a way to get him out?

Harry Cat and Tucker Mouse: Harry to the Rescue!

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Harry Cat and Tucker Mouse: Tucker's Beetle Band

By Thea Feldman

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Tucker Mouse decides to help a beetle band win the Battle of the Bug Bands, but when one of the beetles is injured Tucker comes up with an idea to save the day.

Harry Cat and Tucker Mouse: Tucker's Beetle Band

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Mucha Lucha!: Mummy with the Golden Mask

By Thea Feldman

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"This six-level series of factual readers allows English language learners to explore a variety of fascinating real-world topics. Each reader has been carefully graded to reinforce the main structu...

MacMillan Factual Readers

By Thea Feldman

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Macmillan Factual Readers Baby Animals Level 1

By Thea Feldman

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Little Red Riding Hood

By Thea Feldman

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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.