Sandra Ziegler Books

A girl nicknamed Anna Banana rejoices in all the ways she is special and one of a kind, from the five orange freckles on her nose to the way she giggles at her brother's jokes.

Manners

By Sandra Ziegler

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Presents situations in which children react in ways that show they have good manners.

Fairness

By Sandra Ziegler, Helen Endres

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Understanding

By Sandra Ziegler

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Our St. Patrick's Day book

By Sandra Ziegler

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Describes a kindergarten class's activities in preparation for St. Patrick's Day.

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.