The Stonewall Book Award-winning novel from the author of Openly Straight and Honestly Ben! "Words like 'brilliant' are so overused when praising novels—so I won't use that word. I'll just think it." — Benjamin Alire Sáenz, author of Aristotle and Dante Discover the Secrets of the Universe "Undeniably human and unforgettably wise, this book is a gift for us all." — Andrew Smith, author of Grasshopper Jungle Carson Smith is resigned to spending his summer in Billings, Montana, helping his mom take care of his father, a dying alcoholic he doesn't really know. Then he meets Aisha Stinson, a beautiful girl who has run away from her difficult family, and discovers a secret regarding his grandfather, who disappeared without warning or explanation decades before. Together, Carson and Aisha embark on an epic road trip to try and save Carson's dad, restore his fragmented family, and discover the "Porcupine of Truth" in all of their lives.