Helen Chetin Books

How far is Berkeley?

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A twelve-year-old girl and her single mother undergo a radical change of life style when they move to the free-thinking community of Berkeley, California.

Tales from an African drum.

By Helen Chetin

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Eleven tales describing how the African chief Mawkoom prepares his grandson to succeed him as leader of the tribe.

Perihan's promise, Turkish relatives, and the dirty old Imam.

By Helen Chetin

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Fourteen-year-old Perihan's journal reflects her growing maturity as she records her impressions of her Turkish relatives and their fascinating way of life.

Perihan's promise

By Helen Chetin

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Fourteen-year-old Perihan's journal reflects her growing maturity as she records her impressions of her Turkish relatives and their fascinating way of life.

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.