You know the phrase “it’s just a rock”? Yeah, not this time. Rock Solid is a hilarious gift book that proves Mother Nature has a very, very specific sense of humour. From towering formations to suspiciously shaped boulders, this book is packed with unintentionally rude geological wonders from around the world - and yes, they all look exactly like you’re thinking. Perfect for fans of geology (and giggling), this comedy book is full of actual rock formations that nature probably didn’t mean to make so phallic… but did anyway. Whether you're a fan of silly gifts, rude gifts or just appreciate a solid piece of novelty humour, this one’s a rock-hard winner. Ideal as a stocking filler for men, novelty gift or funny book for men who enjoy a bit of juvenile joy with their science, Rock Solid is nature like you’ve never seen it before. Warning: once you see it, you can’t unsee it.

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