INTERWORLD TRILOGY 1 - Harper Collins USA

AN ASTOUNDING TALE OF ADVENTURE, DANGER, MAGIC, SCIENCE, FRIENDSHIP, SPACESHIPS, AND, OH YEAH, THE BATTLE TO SAVE ALL THE PEOPLE IN ALL THE WORLDS IN ALL POSSIBLE DIMENSIONS. JOEY HARKER ISN'T A HERO In fact, he's the kind of guy who gets really lost. He walks straight out of his world and into another dimension. Joey's walk between worlds makes him prey to armies of magic and science, both determined to hardness Joey's power to travel between the dimensions. The only thing standing in their way is Joey