Tor Seidler Books

Brothers below zero

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Having lived for years in the shadow of his younger, more talented brother, middle schooler Tim takes painting lessons from his beloved Great Aunt Winifred and discovers that he is a gifted artist.

Terpin

By Tor Seidler

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When his well-intentioned lie appears to have contributed to a man's suicide, Terpin's resolve to never again act or speak, except by the truth in his heart, has far-reaching consequences.

The dulcimer boy

By Tor Seidler

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Twin brothers are abandoned on their uncle's doorstep in early twentieth-century New England with nothing but a silver-stringed dulcimer.

Firstborn

By Tor Seidler

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"A wolf pack's alpha gets a disappointing surpirse when his first born son is not like a normal wolf, but rather one who has fallen for a coyote"--

Firstborn

By Tor Seidler

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"A wolf pack's alpha gets a disappointing surpirse when his first born son is not like a normal wolf, but rather one who has fallen for a coyote"--

Steadfast Tin Soldier

By Hans Christian Andersen, Tor Seidler

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One of the New York Times Ten Best Picture Books of 1992, The Steadfast Tin Soldier is now available in a paperback edition. Marcellino's masterful illustrations transform yet another timeless tale...

Firstborn

By Tor Seidler

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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.