About this book

Obligatory options {you must choose at least one}

Curly braces and vertical bars: Choose only one option.

{die_on_your_feet | live_on_your_knees | live_on_your_feet}

Curly braces and commas: Choose one or more options. If you choose more than one, separate your choices with commas.
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{cash, check, credit}
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