Peggy Rathmann Books

Gute nacht Gorilla .

By Peggy Rathmann

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Good Night, Gorilla

By Peggy Rathmann

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A must have classic for all baby bedtimes and gifting opportunities.Good night, Gorilla. . .Good night, Elephant. . . It's bedtime at the zoo, and all the animals are going to sleep. Or are they? W...

Officer Buckle and Gloria

By Peggy Rathmann

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"Besides the beguiling story, the affable illustrations of the smiling Gloria, the accidental mayhem in the background, and the myriad safety tips -- such as 'always pull the toothpick out of your...

Good Night, Gorilla

By Peggy Rathmann

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A must-have board book for all baby bedtimes and gifting occasions. Good night, Gorilla. Good night, Elephant. It's bedtime at the zoo, and all the animals are going to sleep. Or are they? Who's t...

How Many Lambies on Grammy s Jammies

By Peggy Rathmann

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Children encounter animals absolutely everywhere on a visit to Grammy's house.

Goodnight Gorilla plush

By Peggy Rathmann

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10 Minutes till Bedtime

By Peggy Rathmann

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Bedtime routines have never been so hilarious! Say good night with this fun read-aloud from the creator of Good Night, Gorilla.The countdown to bedtime is about to begin when a family of hamsters a...

NVTL Good Night Gorilla Plush Doll

By Peggy Rathmann

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Good Night Gorilla Gift Box

By Peggy Rathmann

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Good Night, Gorilla (Oversized Lap Board Book)

By Peggy Rathmann

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This roomy trim size is perfect for sharing with groups and lap sitters, and will stand up to years of repeat readings.

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.