Peter Larson Books

"When Peter Larson and his team at the Black Hills Institute discovered the world's largest and most complete Tyrannosaurus rex skeleton beneath a South Dakota butte in 1990, Larson knew it was the...

Bones rock!

By Peter L. Larson

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Rumplestiltskin Larson

By Peter Larson

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10 great dates

By Peter Larson

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"Marriage experts provide ten date ideas to help married Christian couples connect spiritually and grow in their faith. Each date presents a different spiritual theme and includes suggestions for b...

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.