The heartfelt and funny memoir of a boy who built himself a prosthetic arm out of the world-famous toy bricks. David Aguilar was born missing part of one arm, a small detail that seemed to define his life and limit people’s ideas of who he was and who he could be. But in this funny and heartfelt memoir, David proves that he can throw out the rulebook and people’s expectations and maybe even make a difference in the world—and all with a sense of humor. At only nine years old, David built his fi