Hollow books can be a great way to hide things in plain sight, and they work anywhere you store books – be it in the livingroom, shed, garage or bedroom.

The most common use for hollow books is using them as a stash for emergency cash, but they also find use hiding hip flasks from the Mrs, spare keys, passports, and even engagement rings.

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Hollow Security Book 4

Hollow Security Book 1

Hollow Security Book 3