We're proud to announce four new additions to the mental_floss line:

Scuba Diving: Keep Your Friends Close and Anemones Closer
Ambiguity: What Happens in Vagueness Stays in Vagueness
I Avoid Clichés Like the Plague
Please Excuse My Dear Aunt Sally

[Also available in fitted women's sizes.]

Whether you're looking to get a head start on your holiday shopping or you'd like to stick one of these in your own t-shirt drawer, now's the time to buy. Until Monday at 11:59pm, all shirts are $14.90. Just enter the coupon code NEWTEES before checkout. (And get a free mental_floss tote bag with all orders over $50!)