Adult author Campbell (the Wrath of the Great Guilds) makes a foray into YA with a breezy contemporary fantasy. […] [The Sister Paradox]  is a light, zippy escapade. Publisher’s Weekly

Wow. This is the best example of the guy who gets sucked into another world that I’ve read lately. 5 Stars, Amazon Customer

If you like to read military science fiction this is a great book to add to your collection! 5 Stars, L. Pierce, Amazon