Code by Charles Petzold

~$30 typical price

Charles Petzold's book Code: The Hidden Language of Computer Hardware and Software, which builds up how computers work from simple circuits.

Why it makes a great gift

A tech lover who uses computers all day gets to understand what is actually happening inside one.

Great for: Her Wife Girlfriend Mom Sister Him Husband Boyfriend
Occasions: Christmas Birthday Mother's Day Father's Day Graduation Thank You Secret Santa White Elephant

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