When Papa Smurf tries to make a new fertilizer for the crops, it transforms an ordinary flower into a dangerous “smurfivore plant.” When two Smurfs try to get rid of the fertilizer by dumping it outside the Smurf village, a bird swallows it and becomes a huge monster; the Howlibird! Now, the Smurfs must figure out how to defeat the monster and save their village. Paperback , 56 pages Published May 10th 2011 by Papercutz (first published 1969)