I would like to dedicate this book to my fiancée, Natalia, for her support
and unlimited level of patience.
– Paweł Grześkowiak
To my wife, Anna, for being my loving partner throughout our joint life journey.
To my mother, Danuta, and to the memory of my father, Bogumił, for their sacrifices and
for exemplifying the power of determination, love, support, and inspiration;
and to my sister, Ewelina, for her smile and for not giving up.
– Wojciech Ciesielski
I dedicate this book to my wife, Jagoda, for her love, faith, support, and for being
an invaluable life companion.
– Wojciech Ćwik