A young aspiring engineer must first conquer her fear of failure. .

When her abuelo is injured at the local landfill, second-grader Sofia is determined to transform the dangerous Mount Trashmore into a park, taking on City Hall in the process.

A new addition to the Questioneers series, a full-color nonfiction early reader series based on the new Ada Twist, Scientist Netflix series! Why do airplanes look the way they do? Why can't birds fly when they're first born? And why do some paper planes fly farther than others? Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Discover everything there is to know about flight from Ada Twist,...