Ulf Nilsson Books

Little sister rabbit

By Nilsson Ulf

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While their parents are out gathering carrots, a young rabbit babysits his little sister for the first time.

Little Bunny & her friends

By Nilsson Ulf

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Six animal friends have a problem finding a recreational activity that they will all be able to complete and enjoy.

Little Bunny gets lost

By Nilsson Ulf

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Little Sister Rabbit is happy to be off on an adventure without her annoying older brother until she gets lost.

Little Bunny & the hungry fox

By Nilsson Ulf

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Little Bunny's relaxing walk is interrupted by a hungry fox.

Little Bunny at the beach

By Nilsson Ulf

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At the beach Little Bunny's big brother comes to the rescue when her playful antics cause her to drift out to sea.

The detective lay in bed with his eyes closed. But he couldn't sleep. He was thinking. He always thought best in bed. Especially with his eyes closed. Something is going on in the forest: one of th...

A complicated case

By Nilsson Ulf

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A case in any case

By Nilsson Ulf

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When Detective Gordon retires and Buffy is left alone at the police station, she hears strange noises and decides to call Gordon in to help her with the mystery.

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.