Mark Sachner Books

Time!

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Follows two bears through a time-punctuated day. Supplementary sections include activities associated with time and introduce concepts from a.m. and p.m. to digital clocks.

Time!

By Jane Edmonds

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Follows two bears through a time-punctuated day. Supplementary sections include activities associated with time and introduce concepts from a.m. and p.m. to digital clocks.

Mexico Children of the World

By Mark Sachner, Marylee Knowlton

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China (Children of the World)

By Mark Sachner, Yasuhiko Miyazima, Marylee Knowlton

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Presents the life of a fifth-grade girl and her family living in Beijing, China, describing her home and school, daily activities, and the ethnic groups, religion, government, education, industry,...

Hungary Children of the World

By Mark Sachner, Marylee Knowlton

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Finland Children of the World

By Mark Sachner, Marylee Knowlton

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Brazil

By Ikuhara Yoshiyuki, Mark Sachner, Marylee Knowlton

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Presents the life of Andre and Camille who live with their parents outside of Rio de Janeiro, Brazil, describing their home and school activities and the festivals, religious ceremonies, and nation...

Australia

By Akinobu Yanagi

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Presents the life of a young boy in New South Wales describing his family, home, school, and amusements and some of the traditions and celebrations of his country.

Time Audio Cassette and Book Bright Idea Read Alongs

By Mark Sachner, Jane Edmonds, Ainslie MacLeod

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Jordan Children of the World

By Mark Sachner, Marylee Knowlton

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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.