H.I.V.E

H.I.V.E
Walden, Mark
Simon & Schuster Books for Young Readers (2011)
When the leaders of the world's villainous forces are attacked by Otto, Dr. Nero is forced to take charge of G.L.O.V.E. and order the death or capture of Otto. Wing and Raven set out to find Otto before the other G.L.O.V.E. assassins do. At a secret facility in the Amazon rain forest, they face off against a deadly operative. Meanwhile, back at H.I.V.E., the school's own automated defense systems turn against the students and staff.
Schools: 17

H.I.V.E
Walden, Mark
Simon & Schuster Books for Young Readers (2012)
The leader of the Higher Institute of Villainous Education has been captured by a security force, and it's up to Otto to save him. First he must escape Nero's sinister replacement and the institute itself before facing the ultimate challenge of breaking into M16, something no villain has ever succeeded in doing.
Schools: 5

H.I.V.E.
Walden, Mark
Simon & Schuster Books for Young Readers (2016)
"Otto and Raven are desperate to rescue their friends from the clutches of Anastasia Furan, head of the evil Disciples organization. First they must track down the location of the Glasshouse, the prison where Furan trains children to become ruthless assassins. But meanwhile, Otto is also being hunted by the Artemis Section--an elite division of the American intelligence services that specializes in capturing the toughest targets"--Back cover.
Schools: 8