Please click "Reserve item" when buying

otherwise Mark will get duplicates

Any math tau shirt (XL)

except the official tauday.com

Nintendo Gift Card

to avoid the nintendo wishlist hassle

Lenses for the Mere Mortal: PureScript Edition ($10)

Henry Segerman Math Art

Steam Gift Card

for PC games

Rosalina sweater (XL)

50 years of Combinatorics, Graph Theory, and Computing (Discrete Mathematics and Its Applications) (

Prime Curios!: The Dictionary of Prime Number Trivia ($17)

Algebraic Topology: Homology and Cohomology ($18)

Proof and the Art of Mathematics ($30)

Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games—And Why They Matter

Logicomix: An epic search for truth

組合せゲーム理論の世界: 数学で解き明かす必勝法

Combinatorial Game Theory book written by a Japanese acquaintance. Amazon.co.jp will ship to US, though it's more than the book cost

Shoes (e.g. Clarks Men's Wave 2.0 Edge)

e.g. Size: 10.5 | Color: Dark Taupe Oiled Nubuck Waterproof

Hiking Boots

with sturdy sole and protection from mud/water (Men's 10.5?)

PC Headset with mic

Simple suffices - just for convenience

Laptop Docking Station (with support for 2 monitors and USB ports)

Dell WD19S is an example, but some cheaper items will do the job

Pop'n Music controller

Yuan Con brand is preferred over "popoller"

"Problem-Solving Strategies" by Arthur Engel