TY  - DATA
AU  - Ryan B. Hayward
TI  - Hex : A Playful Introduction
T2  - Anneli Lax New Mathematical Library
SN  - 9781470469481 (online)
PY  - 2022///]
CY  - Rhode Island, U.S. : 
PB  - American Mathematical Society
UR  - https://www.ams.org/books/nml/054/
ER  -