Rebecca Stead, Newbery Medal-winning author of When You Reach Me, said this book is "brimming with surprises and grand adventure. Brave, smart, and full of heart, Madeline and Ruby are a gust of fresh air."
Mad's dad is the Bird Guy. He'll go anywhere to study birds. So when he's offered a bird-tracking job in Central America, his bags are packed and he's jungle bound.
But going bird tracking in the jungle and disappearing completely...