Helen Ericson Books

Harriet spies again

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Now "almost" twelve years old, Harriet tries to find out why her former nanny, Ole Golly, has returned to New York alone several months after getting married and moving to Canada.

Harriet Spies Again

By Louise Fitzhugh

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Harriet Spies Again

By Helen Ericson

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Harriet M. Welsch has just received the best news of her eleventh year—Ole Golly is coming back! Harriet can still remember how sad she was when her beloved nanny married George Waldenstein and m...

Harriet Spies Again

By Helen Ericson

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Standards and Self Assessment

By Helen Ericson, National Council On The Aging.

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Harriet spies again

By Helen Ericson

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Harriet M. Welsch is up to her old spying tricks when her beloved nanny Ole Golly, who had married and moved to Montreal, returns without her husband, Harriet's friend Sport announces he has a crus...

Harriet Spies Again

By Helen Ericson

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Harriet Spies Again

Average: 0.00, 0 Ratings

Harriet Spies Again

Average: 0.00, 0 Ratings

Harriet Spies Again

By Helen Ericson

Average: 0.00, 0 Ratings

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.