this edition written and researched by Charles Rawlings-Way [and 4 others]. this edition written and researched by Charles Rawlings-Way [and six others] [this edition written and researched by Charles Rawlings-Way ... et al.] this edition written and researched by James Bainbridge [and others] this edition written and researched by Karla Zimmerman [and 7 others]. this edition written and researched by Sara Benson [and 7 others]. written and researched by Charles Rawlings-Way [and 5 others]. this edition written and reseached by Sara Benson [and 13 others]. this edition written and researched by China Williams [and six others]. written and researched by Charles Rawlings-Way [and others]