Marie Bollmann Books

Embark on a prehistoric journey with this picture book of fun stories and incredible facts about dinosaurs.Introducing A Dinosaur’s Day: Stegosaurus Makes Its Way Home - a storytime adventure that...

A Dinosaur's Day: Deinonychus Goes Hunting

By Elizabeth Gilbert Bedia

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Embark on a prehistoric journey with this picture book of fun stories and incredible facts about dinosaurs.Introducing A Dinosaur’s Day: Deinonychus Goes Hunting - a story time adventure that teach...

A Dinosaur's Day: Triceratops Follows Its Herd

By Elizabeth Gilbert Bedia

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Embark on a prehistoric journey with this picture book of fun stories and incredible facts about dinosaurs.Introducing A Dinosaur’s Day: Triceratops Follows Its Herd - a story time adventure that t...

A Dinosaur's Day: T. rex Meets His Match

By Elizabeth Gilbert Bedia

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Embark on a prehistoric journey with this board book of fun stories and incredible facts about dinosaurs.Introducing A Dinosaur’s Day: T. rex Meets Its Match - a story time adventure that teaches k...

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.