Genius Series by Catherine Jinks

Cadel Piggott has a genius IQ and a fascination with systems of all kinds. At seven, he was illegally hacking into computers. Now he's fourteen and studying for his World Domination degree, taking classes like embezzlement, misinformation, forgery, and infiltration at the institute founded by criminal mastermind Dr. Phineas Darkkon. Although Cadel may be advanced beyond his years, at heart he's a lonely kid... moreCadel Piggott has a genius IQ and a fascination with systems of all kinds. At seven, he was illegally hacking into computers. Now he's fourteen and studying for his World Domination degree, taking classes like embezzlement, misinformation, forgery, and infiltration at the institute founded by criminal mastermind Dr. Phineas Darkkon. Although Cadel may be advanced beyond his years, at heart he's a lonely kid. When he falls for the mysterious and brilliant Kay-Lee, he begins to question the moral implications of his studies for the first time. But is it too late to stop Dr. Darkkon from carrying out his evil plot?An engrossing thriller with darkness and humor, freaks and geeks, Evil Genius explores the fine line between good and evil in a strange world of manipulations and subterfuge where nothing is as it seems. less

Now that the Axis Institute for World Domination has been blown up; the founder, Dr. Phineas Darkkon, has died; and Prosper English (who enrolled Cadel in the first place) is in jail for myriad offenses, Cadel Piggott has round-the-clock surveillance so he'll be safe until he testifies against Prosper English. But nobody seems to want Cadel. Not Fiona, his social worker; not Saul Greeniaus, the detective assigned to protect him... moreNow that the Axis Institute for World Domination has been blown up; the founder, Dr. Phineas Darkkon, has died; and Prosper English (who enrolled Cadel in the first place) is in jail for myriad offenses, Cadel Piggott has round-the-clock surveillance so he'll be safe until he testifies against Prosper English. But nobody seems to want Cadel. Not Fiona, his social worker; not Saul Greeniaus, the detective assigned to protect him.     When he is approached by the head of Genius Squad--a group formed to investigate GenoME, one of Darkkon's pet projects--Cadel is dubious Genius Squad can offer him a real home and all the technology his heart desires. But why can't he bring himself to tell Saul what the group is really up to? And how can Genius Squad protect Cadel once Prosper English breaks out of jail? less

Boy-genius Cadel Piggot has a new name (Cadel Greenaius), a new family, and a new life. No more illegal hacking, no more false identities, and most of all, no more Prosper English. But when his best friend Sonja is attacked, it's up to him to figure out who was behind it. Before he knows it, Cadel is crossing oceans and continents, barrelling back into the depths of the criminal activity he thought he'd left behind, and coming face to face with Prosper English once again... moreBoy-genius Cadel Piggot has a new name (Cadel Greenaius), a new family, and a new life. No more illegal hacking, no more false identities, and most of all, no more Prosper English. But when his best friend Sonja is attacked, it's up to him to figure out who was behind it. Before he knows it, Cadel is crossing oceans and continents, barrelling back into the depths of the criminal activity he thought he'd left behind, and coming face to face with Prosper English once again. Can Cadel track down Prosper before it's too late? And what rules will he have to break in the process? less