Robert Kalan Books

Bears

By EZRA JACK KEATS, Barbara Reid, Ludwig Bemelmans, Scholastic Inc., Leonard P Kessler, Ruth Krauss, Mike Thaler, Rita Golden Gelman, Gwen Molnar, Joanne Oppenheim, Janet Ahlberg, Arnold Lobel, Robert Kalan, Priscilla Lynch, Lucinda McQueen, Margaret Wise Brown, Allen Ahlberg

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Captioned drawings depict bears in some unusual places and poses.

Jump, Frog, Jump! Board Book

By Robert Kalan

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A cumulative tale in which a frog tries to catch a fly without getting caught itself.

Jump frog jump Big shared book

By Robert Kalan

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From beloved Caldecott winning picture book creator Leo Lionni, this charming tale of sticking together and imagination shows how powerful friendship can be.Two best friends, a minnow and a tadpole...

Fish is fish

By Leo Lionni

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When his friend, the tadpole, becomes a frog and leaves the pond to explore the world, the little fish decides that maybe he doesn't have to remain in the pond either. A fable about a fish who lear...

Rain

By Robert Kalan

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Rain Little Big Book

By Robert Kalan

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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.