School Library Journal

"This lighthearted science fiction fantasy has plenty of quick action. The dialogue is crisp and natural with an abundance of middle school humor. There's also a subtle message about responsibility and friendship."

Booklist

"[This] might please Trio fans waiting for the next Scieszka/Smith installment. Pen-and-ink illustrations by Craig Smith capture the whirling dervish feeling that pervades the story."

Washington Parent

"In addition to plenty of laughs and adventures, this novel features Mr. O, one of the most engaging teacher characters in fiction."

Library Talk

"Craig Smith's pen and ink lend comic-book authenticity."