Kunihiko Hisa Books

What were dinosaurs?

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Describes the evidence that modern scientists use in studying dinosaurs and the characteristics of specific dinosaurs such as Stagosaurus and Apatosaurus.

How did dinosaurs live?

By Kunihiko Hisa

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Presents possibilities for ways different dinosaurs met their basic needs of food, shelter, reproduction, and survival.

The dinosaur family tree

By Kunihiko Hisa

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Discusses different kinds of dinosaurs, their possible fate, and the other animals to which they may have been related.

Kokutetsu achi kochi taikenki

By Kunihiko Hisa

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Kyoryu wa do tatakatta ka?

By Kunihiko Hisa

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Presents possibilities for ways different dinosaurs met their basic needs of food, shelter, reproduction, and survival.

Nihon kyoryu zukan

By Kunihiko Hisa

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Sekai kyoryu hakken chizu

By Kunihiko Hisa

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Safari e yukoI

By Kunihiko Hisa

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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.