Bob Hartman Books

Mr. Aesop s story shop

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A collection of ten fables, each introduced by Aesop, the freed slave turned master storyteller, who shares the events that inspired each tale.

The Lion Storyteller Christmas Book Lion Storyteller Books

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Johnny Thumbs

By Hartman Bob

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Competing in a contest to build an outstanding house and win the hand of their princess, Bill Builder brags about his construction skills while Johnny Thumbs builds with love.

Aunt Mabel's table

By Hartman Bob

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When Aunt Mabel plays a strange game with unlabeled cans at dinner, Alexander's manners are put to the test.

The best baker in Bethsaida wants to know where Jesus got the five loaves of bread He is distributing, along with two fish, to the crowd of people who came to hear Him speak. The answer surprises her.

Who wrecked the roof?

By Hartman Bob

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Although Daniel and his father don't always see eye to eye, the day they both witness Jesus healing the sick brings them close together.

More power to ya

By Hartman Bob

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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.