Paul asked:

What is the "I.D.A."? I'm 5 chapters in on the audiobook and "I.D.A." is constantly being mentioned, but no mention I've caught about what it is.

To answer questions about Not Alone, please sign up.

Rich King It's Inter-Space Defense Agency.

Dan Daniel Think of it as Homeland Defense for off-planet areas. It would be a kind of defensive arm of NASA.

Hugh Interstellar Defense Agency. It's explained at some point, don't remember where though.

About Goodreads Q&A

Ask and answer questions about books!

You can pose questions to the Goodreads community with Reader Q&A, or ask your favorite author a question with Ask the Author.