Herbert H. Wong Books

A migratory flock of birds grows smaller and smaller as each species reaches a suitable habitat, until even the red-winged blackbird finds a place to make its home.

My plant

By Herbert H. Wong

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A simple introduction to planting and growing plants.

My snail

By Herbert H. Wong

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A simple description of the characteristics of both land and water snails

Our caterpillars

By Herbert H. Wong

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Describes the physical characteristics and habits of caterpillars emphasizing their habitats and ability to metamorphose.

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.