Horn Book
(c) Copyright The Horn Book, Inc., a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.

Aluna and her friends disguise themselves as cyborg Upgraders in order to destroy Karl Strand once and for all. To win the war, however, they will need to strengthen existing friendships and forge new alliances among their world's diverse beings. This concluding installment, which features believable world-building, fast-paced action, and engaging characters, wraps up the series nicely. (c) Copyright 2014. The Horn Book, Inc., a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.