Larry, H. I,

Undercover / by H.I. Larry ; illustrations by Andy Hook. - First Canadian edition. - 90 pages : illustrations ; 20 cm. - Zac Power . - Larry, H. I. Zac Power. .

"24 hours to save the world ... and clean the pool". First Canadian edition published 2013"--Page preceding title page.

ISBN: 9781443124416 (pbk.)

Nat. Bib. Agency Control No.: 2012905223X

Dewey Class. No.: j823/.92