Trees, maps, and theorems
Effective communication for rational minds

How many copies would you like to order?

copies of Trees, maps, and theorems

80 EUR per copy (70 EUR 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

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VAT number   BE

Package shipped by Taxipost

5 EUR for the first copy, 1.50 EUR per additional one

Exceptionally, our offices in Belgium are closed.
You can still complete your purchase. Your order
will ship once we are back, on Tue 18 Apr 2017.