Wow! the book is out!

Just got email from Christi, the nice Springer person, saying the book is OUT!!!

The link for the book

Advances in Natural Deduction

A Celebration of Dag Prawitz's Work (Series Trends in Logic, Vol. 39, Edited by Pereira, Luiz Carlos, Haeusler, Edward Hermann, de Paiva, Valeria) is functional.

The price is absurd, as usual and regrettable.
But at least our small  tribute to the great logician and philosopher Dag Prawitz is on print.