Godzilla: Journey to Monster Island (Godzilla Series #3) by Scott Ciencin, Bob Eggleton (Illustrator)

Lost in America, Godzilla can't seem to find his way back to the Pacific Ocean.

He meets up with a group of giant monsters created by a scientific mishap and decides to wage war on a fearful military. When the monsters meet two courageous children who have convinced the authorities that the monsters are just looking for a way home, the group is allowed to continue their journey to Monster Island.