John R. Horner Books

Digging Dinosaurs: The Search That Unraveled the Mystery of Baby Dinosaurs

By John R. Horner, James Gorman

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Dinosaur Lives: Unearthing an Evolutionary Saga

By John R. Horner

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How to Build a Dinosaur

By John R. Horner, James Gorman

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A world-renowned paleontologist reveals groundbreaking science that trumps science fiction: how to grow a living dinosaur. Over a decade after Jurassic Park, Jack Horner and his colleagues in mole...

Digging up Tyrannosaurus rex

By John R. Horner

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Describes the discovery and excavation of the world's only complete Tyrannosaurus fossil in Montana, and what was learned from it.

DIGGING UP TRYANNOSAURUS REX G Face to Face With Science

By John Horner

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Dinosaur Eggs and Babies

By John R. Horner, Kenneth Carpenter, Karl F. Hirsch

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Vertebrate Paleontological Techniques: Volume 1: v. 1

By Peter May, John R. Horner, Patrick Leiggi

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Dinosaur Eggs and Babies

By John R. Horner, Kenneth Carpenter, Karl F. Hirsch

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Digging up Tyrannosaurus rex

By John R. Horner

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Describes the discovery and excavation of the world's only complete Tyrannosaurus fossil in Montana, and what was learned from it.

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.