Lola M. Schaefer Books

This series explains the benefits and drawbacks of different foods and looks at how they fit into a balanced diet. Includes information and checklists about the benefits of different types of food...

Fruits

By Lola M. Schaefer

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Explains the benefits and drawbacks of different foods and looks at how they fit into a balanced diet. This series gives readers the knowledge to make their own choices.

Oils

By Lola M. Schaefer

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This series introduces pupils to the different food groups. Each food group is introduced and an explanation is given as to how it fits into a balanced diet. The benefits and dangers of different f...

Milk

By Lola M. Schaefer

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Meat and protein

By Lola M. Schaefer

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Poor diet and growing obesity are constantly in the spotlight. This title explains the benefits and drawbacks of different foods and looks at how they fit into a balanced diet.

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.