Tobi Tobias Books

A day off.

By Tobi Tobias

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Once in a while a youngster likes to be sick, but not too sick to do some enjoyable things.

Petey

By Tobi Tobias

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Emily has enjoyed her pet gerbil for five years, but one day after school she finds Petey huddled up in a corner of his cage.

Easy or hard?

By Tobi Tobias

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Simple yet thought provoking questions which stem from one basic question--is it easy or hard?

Liquid or solid?

By Tobi Tobias

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Simple yet thought provoking questions which stem from one basic question--is it liquid or solid?

Quiet or noisy?

By Tobi Tobias

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Simple text and illustrations introduce a variety of things and situations considered quiet or noisy.

Jane, wishing

By Tobi Tobias

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Jane wishes for better looks, talent, a friend, a kitten, a room of her own--but decides to be happy anyway.

The quitting deal.

By Tobi Tobias

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Mother and daughter vow to help each other give up respective habits--smoking and thumb-sucking.

At the beach

By Tobi Tobias

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A little girl describes a happy, active day with her family at their beach house.

Pot luck

By Tobi Tobias

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Rachel learns her grandmother's definition of "pot luck" when she helps Gram prepare dinner for an old friend.

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.