9780811844642 | Chronicle Books Llc, June 29, 2006, cover price $15.50 | About this edition: Fifth-grader Bob and his best friend Clementine are visited by the superhero Hot Dog from the planet Dogzalot to warn of an invasion of evil pencils with plans to erase the whole world.

9780811851565 | Chronicle Books Llc, June 29, 2006, cover price $4.95 | About this edition: Fifth-grader Bob discovers the superhero Hot Dog from the planet Dogzalot in his lunchbox, and they join forces to help defeat an evil alien pizza person, whose goal is to take over the world with an army of children mutated into pizza slices.

9780811844635 | Chronicle Books Llc, June 29, 2006, cover price $15.50 | About this edition: Fifth-grader Bob discovers the superhero Hot Dog from the planet Dogzalot in his lunchbox, and they join forces to help defeat an evil alien pizza person, whose goal is to take over the world with an army of children mutated into pizza slices.

9781417754106 | Turtleback Books, June 1, 2006, cover price $14.70 | About this edition: Fifth-grader Bob discovers the superhero Hot Dog from the planet Dogzalot in his lunchbox, and they join forces to help defeat an evil alien pizza person, whose goal is to take over the world with an army of children mutated into pizza slices.

9781897066225 | Owlkids, October 30, 2005, cover price $16.95 | About this edition: A compendium of outrageous historical facts, bloopers, hoaxes, advertising, urban legends, and inventions--from pet rocks and air guitar contests to turkey-and-gravy soda--presents a satirical combination of history, science, and culture.

9781897066232 | Owlkids, October 30, 2005, cover price $9.95 | About this edition: A compendium of outrageous historical facts, bloopers, hoaxes, advertising, urban legends, and inventions--from pet rocks and air guitar contests to turkey-and-gravy soda--presents a satirical combination of history, science, and culture.