
As an Amazon Associate and affiliate partner, Menrva Books earns from qualifying purchases. Learn more
While researching black holes for Ack's homework report, the brothers get sucked into one and end up in a scary universe.
Page Count:
25
Publication Date:
2014-01-01
ISBN-10:
1434264092
ISBN-13:
9781434264091
No comments yet. Be the first to share your thoughts!