Theodore Sizer Books

Horace's Compromise: The Dilemma of the American High School

By Theodore R. Sizer, Theodore Sizer

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Aspects of Social History Mary Tuttle Bourdon lectures Mount Holyoke College

By Sizer

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Works

By John Trumbull

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The Students are Watching

By Theodore Sizer

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In this groundbreaking book, Theodore and Nancy Sizer insist that students learn not just from their classes but from their school's routines and rituals, especially about matters of character. The...

Students Are Watching

By Nancy Faust Sizer, Theodore Sizer

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Aspects of the Social History of America

By Andrew C. McLaughlin, Henry Seidel Canby, Theodore Sizer, Dixon Ryan Fox

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Reshaping High Schools

By Theodore Sizer

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Works of Colonel John Trumbull: Artist of the American Revolution

By Theodore Sizer

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The Students are Watching

By Theodore Sizer

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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.