this ed. written and researched by Sara Benson ... [et al.]. this edition written and researched by Mara Vorhees ... [et al.] this edition written and researched by Sara Benson [and 7 others]. this edition written and researched by Korina Miller ... [et al.] this edition written and researched by Fionn Davenport ... [et al.]. this edition written and researched by Oliver Berry ... [et al.] this edition written and researched by Fionn Davenport ... [et al.] this edition written and researched by John Noble ... [et al.]. this edition written and researched by China Williams ... [et al.]. this edition written and reseached by Sara Benson [and 13 others].