| Katherine Tegen Books, October 28, 2014, cover price $17.99
| Vergara & Riba, June 30, 2016, cover price $19.99 | About this edition:
| Reprint edition (Katherine Tegen Books, September 29, 2015), cover price $9.99 | About this edition:
| Unabridged edition (Blackstone Audio Inc, October 28, 2014), cover price $39.99 | About this edition:
[Young Adult Fiction (Ages 12-15)] This exhilarating, explosive, and heartrending conclusion to the ''Insignia'' trilogy brings Tom and his and brave young friends into dangerous confrontations and stunning tests - and into an impossible future they could never have predicted.