this edition written and researched by Mark Baker, Paul Clammer, Steve Fallon. this edition written and research by Carolyn McCarthy, Steve Fallon this edition written and researched by Jenny Walker, Paul Clammer this edition written and researched by Mark Baker ...[et al. this edition written and researched by Paul Clammer ...[et al. this edition written and researched by Mark Baker...[et al. this edition written and researched by Mark Baker ...[et al.] this edition written and researched by Paul Clammer ...[et al.] this edition written and researched by Paul Clammer, Abigail Blasi, Kevin Raub. this edition written and researched by Mark Baker...[et al.]