this edition written and researched by Nick Ray, Greg Bloom. this edition written and researched by Greg Bloom. this edition written and researched by Nick Ray, Jessica Lee this edition written and researched by Nick Ray, Ashley Harrell. this edition written and researched by Nick Ray, Ashley Harrell this edition written and researched by Nick Ray,Jessica Lee this edition written and researched by Nick Ray, Greg Bloom, Richard Waters. this edition written and researched by Fionn Davenport. this edition written and researched by Craig McLachlan. this edition written and researched by Sandra Bao.