Trees, maps, and theorems
Effective communication for rational minds

How many copies would you like to order?

copies of Trees, maps, and theorems

96 USD per copy (84 USD when ordering eight or more)

If you received a “special order” code (for example,
when attending one of our sessions), enter it here.

Special order

How would you like the package shipped to you?

  Media Mail
6 USD for the first copy, 3 USD per additional one

  DHL Expedited
12 USD for the first copy, 6 USD per additional one