If you thought London's apartment stair bookcase was the coolest thing since Martha Stewart introduced you to vacuum-packing underpants with you still inside, check this beautiful bathtub bookcase (or vice versa) by Italian company Antonio Lupi. Part of the Biblio collection, it's made in wood and corian, the adamantium-hard material made by Dupont. And as their giant UFO and boat after the jump show, it's not their only cool bathtub.

They are call Vasabarca and Arca, respectively. The price range goes from frackinghell to yougottabekidding. [Antonio Lupi via Aqua—in Spanish, gracias Fernando]

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