I remember reading this book a lot as a kid. The termite scene stuck with me (and is on par with the ant scene). I can't quite put my finger on it, but there is something strange about this book. Cassie's voice doesn't feel consistent with her portrayal in the other books.
Spoilery discussion under the cut
I didn't take any notes while reading this one which is annoying me as I'm trying to write this review.
At the beginning Rachel and Cassie both morph which doesn't make any sense but at least Rachel points out that it doesn't make sense. I also don't think that project did anything to boost Cassie's grade.
Wouldn't at least one human controller know that grape juice doesn't alleviate skunk spray? Visser Three might not know, but he has a whole army of humans working for him to provide him with information about the planet (granted they haven't done a great job of that so far...).