
I dedicate this book to my incredible son, Rafael. Rafi, my love for you has served to deepen my commitment to helping usher in the thriving, equitable, and just world I know is possible. You deserve no less and I'm only sorry this book doesn't have more math in it! — DRH
I dedicate this book to my son, Colm Contee. Buddy, you are the future we’ve all been waiting for. Being your mom has made me a better person and every day I learn something, create something, or imagine something new with you. I hope this book inspires you and your peers to use innovation to build a better world not only for yourselves but also for everyone. Special shoutout to my brother Clarence Contee Jr., who has been my rock through both sunny and rainy days. Honorable mention to Fluffy and his warm companionship while I was writing! —CC
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