Karen Rostoker Gruber Books

Rooster Can t Cock a Doodle Doo

By Karen Rostoker Gruber

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Bandit

By Karen Rostoker Gruber

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When Bandit's family moves to a new house, the cat runs away and returns to the only home he knows, but after he is brought back, he understands that the new house is now home.

Rooster can't cock-a-doodle-doo

By Karen Rostoker Gruber

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When Rooster's throat is too sore for him to crow, the other farm animals help both him and Farmer Ted.

Food fright!

By Karen Rostoker Gruber

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"In this deluxe book, monsters are preparing for a delicious meal! Not only can you count monsters from one to ten (and back again), but you can spin wheels, pull tabs, touch-and-feel, scratch and...

The Family Haggadah

By Rabbi Ron Isaacs, Karen Rostoker Gruber

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If Men Had Babies

By Gail Panzer Salmanowitz, Karen Rostoker Gruber

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Farmer Kobi s Hanukkah match

By Karen Rostoker Gruber

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On the second night of Hanukkah, Farmer Kobi invites Polly to his home for dinner but her reaction to his animals proves she is not his perfect match, while a stranger who appears at the door just...

Bandit s surprise

By Karen Rostoker Gruber

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When Michelle brings home a new kitten, Bandit is not at all pleased to share his home and water dish, and absolutely refuses to share his favorite toy mouse.

Tea time

By Karen Rostoker Gruber

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A young girl dresses up and prepares tea and cookies for her teddy bear and her mother.

Ferret fun

By Karen Rostoker Gruber

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Two nervous pet ferrets named Fudge and Einstein try to convince a visiting cat that they are not mouth-watering rats.

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.