Tim Jessell Books

Superhero Christmas

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When Santa Claus is captured by the evil Ice King, it is up to the Protector--and his superhero family--to save Christmas.

Paper tiger

By Tim Jessell

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When a tiger from one of his drawings comes to life, it shows Alex how he can visit any place he can imagine.

Raleigh s Page

By Alan Armstrong

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Danny Gurkin believes in his heart that the Sluggers are the best team in baseball. There's just the small matter of breaking a century-old curse involving a pretzel, a bubble-gum tycoon, and a mis...

Two hot dogs with everything

By Paul Haven

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Although everyone credits him and his superstitions for the Slugger's first winning streak in 108 baseball seasons, eleven-year-old Danny Gurkin believes that his discovery of a secret from the tea...

Dog Diaries 4

By Tim Jessell, Kate Klimo

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Dog Diaries 6: Sweetie

By Kate Klimo

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George Washington’s transformation from farmer to Father of Our Country—as told by his dog Sweetlips! Sweetie was the finest foxhound in George Washington’s kennel. But Sweetie’s idyllic days at...

Dog Diaries 11

By Tim Jessell, Kate Klimo

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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.