If you buy any of these items, please come back to this list and click the "Reserve" link to mark which item(s) you purchased. This will help ensure that Mark Spindler does not get duplicate gifts.
Any math tau shirt (XL)
except the official tauday.com
Lenses for the Mere Mortal: PureScript Edition ($10)
Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games—And Why They Matter
Logicomix: An epic search for truth
Hiking Boots
with sturdy sole and protection from mud/water (Men's 10.5?)
