Lawrence Treat Books

Crime and Puzzlement
Crime and Puzzlement

By Lawrence Treat

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Crime and Puzzlement 2
Crime and Puzzlement 2

By Lawrence Treat

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You're the detective!
You're the detective!

By Lawrence Treat

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The reader is asked to solve twenty-four mysteries using clues found in the brief story and accompanying illustrations.

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Crime and Puzzlement 3
Crime and Puzzlement 3

By Lawrence Treat

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The author presents mysteries for the reader to solve using clues found in the text and accompanying illustrations.

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Cherchez le Coupable 2
Cherchez le Coupable 2

By Lawrence Treat

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You re the Detective
Cluedo armchair detective
Cluedo armchair detective

By Lawrence Treat

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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.

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