Robert Roennfeldt Books

Werewolf Knight
Tiddalick the Frog Who Caused a Flood: An Adaptation of an Aboriginal Dreamtime Legend
A Day on the Avenue
A Day on the Avenue

By Robert Roennfeldt

Average: 0.00, 0 Ratings

Read More
A Day on the Avenue
A Day on the Avenue

By Robert Roennfeldt

Average: 0.00, 0 Ratings

Read More
A day on the avenue
A day on the avenue

By Robert Rosennfeldt

Average: 0.00, 0 Ratings

Illustrations without text present the many activities of an ordinary day on a city street.

Read More
Tiddalick
Tiddalick

By Robert Roennfeldt

Average: 0.00, 0 Ratings

Read More
The little girl and her beetle
Good Morning Isabel
Sb23f Active Volcanoes
Ten Times Funny

Related Articles from our Blog

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.

Read More