Why people recommend it
Every mention
Other mentions (3: passing, ad reads, own books)
Plugged
“did you put all that in your book I did Alien Earths the new science of Planet hunting in the cosmos”
Plugged
“Did you put all that in your book? Alien Earths: The New Science of Planet Hunting in the Cosmos! Ooh!”
Plugged
“and congratulations on the book alien Earths”