Timothy J. Bradley Books

Teacher Created Materials - TIME For Kids Informational Text: Strange but True: Gross Anatomy - Grade 4 - Guided Reading Level R

By Timothy J. Bradley

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Gross anatomy

By Timothy J. Bradley

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"Blood, guts, and brains! They aren't pretty, but they keep us alive. Find out the truth about our gooey bodies to learn exactly what makes us human- and what makes us gross."--Page 4 of cover.

Gross anatomy

By Timothy J. Bradley

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"Blood, guts, and brains! They aren't pretty, but they keep us alive. Find out the truth about our gooey bodies to learn exactly what makes us human- and what makes us gross."--Page 4 of cover.

Hive mind

By Timothy J. Bradley

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Thirteen-year-old Sidney Jamison is bored with school and getting in trouble for taking apart household appliances, but everything changes when he transfers to Sci Hi, where students play Zero-G do...

Sci Hi

By Timothy J. Bradley

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SCUBA diving in the Pacific. Tuna-salad sandwiches. An underwater lab. Life can't get any better for Sidney Jamison. But it can definitely get weirder. When Sidney, Penny, and Hari are invited to h...

Hive mind

By Timothy J. Bradley

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Time jump

By Timothy J. Bradley

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"When Sci Hi's school for whiz kids is blasted 400 million years into the past, Paleontology class gets way more real--and way more lethal. To jump forward through time, Sidney, Hari, and Penny mus...

Terror in the tropics

By Timothy J. Bradley

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Lush, green trees. Rainbow colored birds. The jungle may look beautiful, but dangerous, hungry creatures are slithering, slinking, and swimming in the tropics. Meet a snake that can eat an antelope...

Time jump

By Timothy J. Bradley

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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.