Amanda Rondeau Books

-Ob as in knob

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Introduces, in brief text and illustrations, the use of the letter combination "ob" in such words as "knob," "mob," "fob," and "blob."

-Ock as in block

By Amanda Rondeau

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Introduces, in brief text and illustrations, the use of the letter combination "ock" in such words as "block," "clock," "knock," and "shamrock."

-Og as in dog

By Amanda Rondeau

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Introduces, in brief text and illustrations, the use of the letter combination "og" in such words as "dog," "clog," "bog," and "frog."

-Ot as in knot

By Amanda Rondeau

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Introduces, in brief text and illustrations, the use of the letter combination "ot" in such words as "knot," "dot," "plot," and "forgot."

-Ow as in cow

By Amanda Rondeau

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Introduces, in brief text and illustrations, the use of the letter combination "ow" in such words as "cow," "meow," "eyebrow," and "plow."

-Oon as in spoon

By Molter Carey

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Introduces, in brief text and illustrations, the use of the letter combination "oon" in such words as "spoon," "moon," "raccoon," and balloon."

-Ore as in core

By Amanda Rondeau

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Introduces, in brief text and illustrations, the use of the letter combination "ore" in such words as "core," "more," "snore," and "chore."

Compound Words

By Amanda Rondeau

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Base ball baseball

By Amanda Rondeau

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Illustrations and easy-to-read text introduce compound words related to sports and recreation.

Bed time bedtime

By Amanda Rondeau

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Illustrations and easy-to-read text introduce compound words related to family and home.

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.