Hope is the Thing With Feathers (Wren Chronicles, #1)

An airship. A message. A stowaway.

On the floating islands of New Venus, humans have lived for centuries. From far above the planet's surface, they mine the mineral-rich atmosphere, yet they know little about the opaque atmosphere below.

When Stella's father is given the opportunity to join the first scientific mission to descend down and explore the surface, he has to go—it's an honour he would never refuse. He joins the mission, promising Stella that he'll send a message from the surface ...