Millicent E.Selsam Books

Egg to Chick

By Millicent E. Selsam

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Terry and the Caterpillars

By Millicent Selsman

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A young girl finds some caterpillars, keeps them in jars and feeds them, and then she sees the caterpillars make cocoons and moths emerge from the cocoons.

Egg to Chick

By Millicent E. Selsam

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Greg's Microscope

By Millicent E. Selsam

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Greg gets a microscope and has a fascinating time looking at sugar and salt crystals, flower, hair, and much else.

Big Tracks, Little Tracks: Following Animal Prints

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Animals as Parents

By Millicent E. Selsam

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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.